Heart|Lab Grown|IGI

1.64ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG739575945

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG739575945

Diamond specifications and retailer prices

From $334 SGD
$261 USD
As of October 30, 2026
Save $1,322 SGD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,656 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.64ct lab-grown heart diamond

This 1.64ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG739575945 or 739575945. Listed at 18 retailers as of October 30, 2026, with prices from $334 to $1,656, a $1,322 spread on the same certified stone. MOH London lists it at $1,656. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739575945
Dimensions7.27 × 8.29 × 4.74 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.27 mm8.29 mm1.64 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739575945
Side View
Table 60.0%Crown 33°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 57.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,656 SGD|Low: $320 SGD|High: $1,676 SGD|Avg: $907 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 11$334 SGD
Retailer 4$373 SGD
Retailer 12$413 SGD
Retailer 8$620 SGD
Retailer 3$689 SGD
Retailer 2$713 SGD
Retailer 6$790 SGD
Retailer 5$851 SGD
Retailer 7$961 SGD
Retailer 10$1,048 SGD
Retailer 9$1,496 SGD
Retailer 13$1,626 SGD
MOH London$1,656 SGD

44 data points across 13 retailers

18 retailers$334 SGD to $1,656 SGD

A
Cheapest Retailer
-
$334 SGD
$261 USD
A
Retailer 2
-
$373 SGD
$292 USD
View
Final sale: no returns
A
Retailer 3
-
$386 SGD
$302 USD
View
A
Retailer 4
-
$413 SGD
$323 USD
View
Retailer 5
-
$413 SGD
$323 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$620 SGD
$485 USD
View
A
Retailer 7
-
$689 SGD
$539 USD
View
A
Retailer 8
-
$713 SGD
ZAR 9,006 ZAR
View
A
Retailer 9
-
$722 SGD
$565 USD
View
B+
Retailer 10
-
$790 SGD
£487 GBP
View
B+
Retailer 11
-
$851 SGD
$666 USD
View
B+
Retailer 12
-
$961 SGD
A$1,157 AUD
View
B+
Retailer 13
-
$1,048 SGD
$820 USD
View
B
Retailer 14
-
$1,328 SGD
$1,039 USD
View
B
Retailer 15
-
$1,394 SGD
$1,091 USD
View
B
Retailer 16
-
$1,496 SGD
$1,170 USD
View
B
Retailer 17
-
$1,626 SGD
$1,272 USD
View
Most Expensive
B
MOH London
LG739575945 · Nov 1
$1,656 SGD
£1,020 GBP
View
17 more retailers have this diamond
Prices start from $334 SGDSave up to $1,322 SGD

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.

A
1.64ct Heart
$334 SGD