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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG835608021

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835608021

Diamond specifications and retailer prices

From $399 SGD
$312 USD
As of October 30, 2026
Save $3,411 SGD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,810 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG835608021 or 835608021. Listed at 21 retailers as of October 30, 2026, with prices from $399 to $3,810, a $3,411 spread on the same certified stone. Brilliant Earth lists it at $3,810. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835608021
Dimensions6.66 × 7.89 × 4.72 mm
L/W Ratio1.18
Girdle conditionFaceted
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
6.66 mm7.89 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835608021
Side View
Table 57.0%Crown 38.3°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
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: $3,810 SGD|Low: $386 SGD|High: $3,810 SGD|Avg: $1,312 SGD|+0.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 15$399 SGD
Retailer 10$491 SGD
Retailer 5$493 SGD
Retailer 19$510 SGD
Retailer 17$547 SGD
Retailer 8$690 SGD
Retailer 16$803 SGD
Retailer 7$844 SGD
Retailer 3$878 SGD
Retailer 14$920 SGD
Retailer 6$1,144 SGD
Retailer 12$1,241 SGD
Retailer 13$1,305 SGD
Retailer 4$1,647 SGD
Retailer 11$1,888 SGD
Retailer 9$1,971 SGD
Retailer 18$1,981 SGD
Retailer 2$2,989 SGD
Brilliant Earth$3,810 SGD

27 data points across 19 retailers

21 retailers$399 SGD to $3,810 SGD

A
Cheapest Retailer
-
$399 SGD
$312 USD
Retailer 2
-
$482 SGD
$377 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
$491 SGD
$384 USD
View
A
Retailer 4
-
$493 SGD
$386 USD
View
A
Retailer 5
-
$510 SGD
£314 GBP
View
A
Retailer 6
-
$547 SGD
$428 USD
View
Final sale: no returns
A
Retailer 7
-
$690 SGD
$540 USD
View
A
Retailer 8
-
$803 SGD
$628 USD
View
A
Retailer 9
-
$844 SGD
ZAR 10,664 ZAR
View
A
Retailer 10
-
$878 SGD
£541 GBP
View
A
Retailer 11
-
$920 SGD
$720 USD
View
A
Retailer 12
-
$1,144 SGD
A$1,377 AUD
View
A
Retailer 13
-
$1,241 SGD
$971 USD
View
A
Retailer 14
-
$1,305 SGD
$1,021 USD
View
Retailer 15
-
$1,617 SGD
$1,265 USD
View
Price last confirmed 30 days ago
B+
Retailer 16
-
$1,647 SGD
$1,288 USD
View
B+
Retailer 17
-
$1,888 SGD
$1,477 USD
View
B+
Retailer 18
-
$1,971 SGD
£1,214 GBP
View
B+
Retailer 19
-
$1,981 SGD
$1,550 USD
View
B
Retailer 20
-
$2,989 SGD
A$3,597 AUD
View
Most Expensive
B
Brilliant Earth
21696528A · Oct 30
$3,810 SGD
$2,980 USD
View
20 more retailers have this diamond
Prices start from $399 SGDSave up to $3,411 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
$399 SGD