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Marquise|Lab Grown|IGI

1.64ct J SI1 Marquise Lab Grown Diamond

VG • J/SI1 • IGI LG436046504

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436046504

Diamond specifications and retailer prices

From $2,791 NZD
$1,573 USD
As of November 2, 2026
Save $6,452 NZD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,243 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.64ct lab-grown marquise diamond

This 1.64ct lab-grown marquise sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG436046504 or 436046504. Listed at 10 retailers as of November 1, 2026, with prices from $2,791 to $9,243, a $6,452 spread on the same certified stone. MOH London lists it at $9,243. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.64
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046504
Dimensions11.29 × 6.26 × 4.03 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
11.29 mm6.26 mm1.64 ctJ / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046504
Side View
Table 59.0%Crown 36.1°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $9,243 NZD|Low: $2,679 NZD|High: $9,367 NZD|Avg: $4,943 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5$2,791 NZD
Retailer 10$3,062 NZD
Retailer 8$3,125 NZD
Retailer 6$3,236 NZD
Retailer 4$3,540 NZD
Retailer 3$3,564 NZD
Retailer 9$4,365 NZD
Retailer 7$5,094 NZD
Retailer 2$5,724 NZD
MOH London$9,243 NZD
Retailer 11$9,266 NZD

18 data points across 11 retailers

10 retailers$2,791 NZD to $9,243 NZD

B+
Cheapest Retailer
-
$2,791 NZD
$1,573 USD
B+
Retailer 2
-
$3,036 NZD
$1,711 USD
View
B+
Retailer 3
-
$3,125 NZD
$1,761 USD
View
Final sale: no returns
Retailer 4
-
$3,236 NZD
$1,824 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
$3,236 NZD
$1,824 USD
View
B+
Retailer 6
-
$3,540 NZD
$1,995 USD
View
B
Retailer 7
-
$5,094 NZD
$2,871 USD
View
B
Retailer 8
-
$5,724 NZD
$3,226 USD
View
B
Retailer 9
-
$6,066 NZD
$3,419 USD
View
Most Expensive
B
MOH London
LG436046504 · Nov 1
$9,243 NZD
£4,102 GBP
View
9 more retailers have this diamond
Prices start from $2,791 NZDSave up to $6,452 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.64ct Marquise
$2,791 NZD