ISN 2004 Lambert 2004 - EPSG:5325

WKT

PROJCS["ISN_2004_Lambert_2004", 
	GEOGCS["GCS_ISN_2004", 
		DATUM["D_Islands_Network_2004", 
			SPHEROID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Lambert_Conformal_Conic"], 
	PARAMETER["False_Easting", 1700000.0], 
	PARAMETER["False_Northing", 300000.0], 
	PARAMETER["Central_Meridian", -19.0], 
	PARAMETER["Standard_Parallel_1", 64.25], 
	PARAMETER["Standard_Parallel_2", 65.75], 
	PARAMETER["Latitude_Of_Origin", 65.0], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["ISN_2004_Lambert_2004", 
	BASEGEOGCRS["GCS_ISN_2004", 
		DATUM["D_Islands_Network_2004", 
			ELLIPSOID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Latitude (lat)", north, 
			ORDER[1]], 
		AXIS["Longitude (lon)", east, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Lambert_Conformal_Conic", 
		METHOD["Lambert_Conformal_Conic"], 
		PARAMETER["False_Easting", 1700000.0], 
		PARAMETER["False_Northing", 300000.0], 
		PARAMETER["Central_Meridian", -19.0], 
		PARAMETER["Standard_Parallel_1", 64.25], 
		PARAMETER["Standard_Parallel_2", 65.75], 
		PARAMETER["Latitude_Of_Origin", 65.0]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "5325"]]

Data from @esri/proj-codes

{
  "wkid": 5325,
  "latestWkid": 5325,
  "gcsWkid": 5324,
  "macro": "PE_PCS_ISN_2004_LAMBERT_2004",
  "name": "ISN_2004_Lambert_2004",
  "wkt": "PROJCS[\"ISN_2004_Lambert_2004\",GEOGCS[\"GCS_ISN_2004\",DATUM[\"D_Islands_Network_2004\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Lambert_Conformal_Conic\"],PARAMETER[\"False_Easting\",1700000.0],PARAMETER[\"False_Northing\",300000.0],PARAMETER[\"Central_Meridian\",-19.0],PARAMETER[\"Standard_Parallel_1\",64.25],PARAMETER[\"Standard_Parallel_2\",65.75],PARAMETER[\"Latitude_Of_Origin\",65.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"ISN_2004_Lambert_2004\",BASEGEOGCRS[\"GCS_ISN_2004\",DATUM[\"D_Islands_Network_2004\",ELLIPSOID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Lambert_Conformal_Conic\",METHOD[\"Lambert_Conformal_Conic\"],PARAMETER[\"False_Easting\",1700000.0],PARAMETER[\"False_Northing\",300000.0],PARAMETER[\"Central_Meridian\",-19.0],PARAMETER[\"Standard_Parallel_1\",64.25],PARAMETER[\"Standard_Parallel_2\",65.75],PARAMETER[\"Latitude_Of_Origin\",65.0]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"5325\"]]",
  "description": "ISN 2004 Lambert 2004",
  "authority": "EPSG",
  "version": "7.6.1(10.1.0)",
  "deprecated": "no",
  "areaname": "Iceland",
  "extent": {
    "slat": 59.96,
    "nlat": 69.59,
    "llon": -30.87,
    "rlon": -5.55
  }
}