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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG735517685

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG735517685

Diamond specifications and retailer prices

From $473 SGD
$370 USD
As of October 30, 2026
Save $1,829 SGD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,302 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735517685 or 735517685. Listed at 21 retailers as of October 29, 2026, with prices from $473 to $2,302, a $1,829 spread on the same certified stone. MOH London lists it at $2,302. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735517685
Dimensions7.37 × 7.76 × 4.46 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.37 mm7.76 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735517685
Side View
Table 60.0%Crown 40.8°Girdle: MED-THKPavilion 36.7°Culet: NoneDepth 57.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,302 SGD|Low: $454 SGD|High: $2,318 SGD|Avg: $1,098 SGD|-0.6%
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
October 31, 2026
Retailer 12$473 SGD
Retailer 5$548 SGD
Retailer 13$587 SGD
Retailer 6$605 SGD
Retailer 10$780 SGD
Retailer 4$786 SGD
Retailer 7$948 SGD
Retailer 9$1,007 SGD
Retailer 2$1,050 SGD
Retailer 8$1,360 SGD
Retailer 11$1,719 SGD
Retailer 3$2,043 SGD
MOH London$2,302 SGD

35 data points across 13 retailers

21 retailers$473 SGD to $2,302 SGD

A
Cheapest Retailer
-
$473 SGD
$370 USD
A
Retailer 2
-
$528 SGD
$413 USD
View
Final sale: no returns
A
Retailer 3
-
$548 SGD
$429 USD
View
A
Retailer 4
-
$587 SGD
$459 USD
View
A
Retailer 5
-
$587 SGD
$459 USD
View
A
Retailer 6
-
$605 SGD
£373 GBP
View
A
Retailer 7
-
$780 SGD
$610 USD
View
A
Retailer 8
-
$786 SGD
$615 USD
View
A
Retailer 9
-
$910 SGD
$712 USD
View
A
Retailer 10
-
$948 SGD
€706 EUR
View
A
Retailer 11
-
$1,007 SGD
ZAR 12,730 ZAR
View
A
Retailer 12
-
$1,050 SGD
£647 GBP
View
A
Retailer 13
-
$1,331 SGD
$1,041 USD
View
A
Retailer 14
-
$1,360 SGD
A$1,637 AUD
View
B+
Retailer 15
-
$1,719 SGD
$1,345 USD
View
B+
Retailer 16
-
$1,882 SGD
$1,472 USD
View
B+
Retailer 17
-
$1,884 SGD
$1,474 USD
View
B+
Retailer 18
-
$1,935 SGD
$1,514 USD
View
B+
Retailer 19
-
$2,043 SGD
$1,598 USD
View
B
Retailer 20
-
$2,214 SGD
$1,732 USD
View
Most Expensive
B+
MOH London
LG735517685 · Oct 29
$2,302 SGD
£1,418 GBP
View
20 more retailers have this diamond
Prices start from $473 SGDSave up to $1,829 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
1.51ct Heart
$473 SGD