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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 HK$12,341 HKD
$1,573 USD
As of November 2, 2026
Save HK$28,531 HKD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$40,872 HKD 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 HK$12,341 to HK$40,872, a HK$28,531 spread on the same certified stone. MOH London lists it at HK$40,872. 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: HK$40,872 HKD|Low: HK$11,847 HKD|High: HK$41,421 HKD|Avg: HK$21,855 HKD
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 5HK$12,341 HKD
Retailer 10HK$13,542 HKD
Retailer 8HK$13,816 HKD
Retailer 6HK$14,311 HKD
Retailer 4HK$15,652 HKD
Retailer 3HK$15,760 HKD
Retailer 9HK$19,300 HKD
Retailer 7HK$22,525 HKD
Retailer 2HK$25,310 HKD
MOH LondonHK$40,872 HKD
Retailer 11HK$40,972 HKD

18 data points across 11 retailers

10 retailersHK$12,341 HKD to HK$40,872 HKD

B+
Cheapest Retailer
-
HK$12,341 HKD
$1,573 USD
B+
Retailer 2
-
HK$13,424 HKD
$1,711 USD
View
B+
Retailer 3
-
HK$13,816 HKD
$1,761 USD
View
Final sale: no returns
Retailer 4
-
HK$14,311 HKD
$1,824 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
HK$14,311 HKD
$1,824 USD
View
B+
Retailer 6
-
HK$15,652 HKD
$1,995 USD
View
B
Retailer 7
-
HK$22,525 HKD
$2,871 USD
View
B
Retailer 8
-
HK$25,310 HKD
$3,226 USD
View
B
Retailer 9
-
HK$26,824 HKD
$3,419 USD
View
Most Expensive
B
MOH London
LG436046504 · Nov 1
HK$40,872 HKD
£4,102 GBP
View
9 more retailers have this diamond
Prices start from HK$12,341 HKDSave up to HK$28,531 HKD

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
HK$12,341 HKD