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Heart|Lab Grown|IGI

1.51ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG836619131

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836619131

Diamond specifications and retailer prices

From $1,267 SGD
$991 USD
As of November 1, 2026
Save $4,935 SGD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,203 SGD at Brilliant Earth · As of November 2, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836619131 or 836619131. Listed at 14 retailers as of November 1, 2026, with prices from $1,267 to $6,203, a $4,935 spread on the same certified stone. Brilliant Earth lists it at $6,203. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619131
Dimensions8.06 × 7.10 × 4.53 mm
L/W Ratio1.14
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
8.06 mm7.10 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619131
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 38°Culet: NoneDepth 56.2%

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: Nov 1
Current: $6,203 SGD|Low: $1,267 SGD|High: $6,203 SGD|Avg: $3,108 SGD
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
November 2, 2026
Retailer 12$1,267 SGD
Retailer 2$1,486 SGD
Retailer 14$1,547 SGD
Retailer 9$1,567 SGD
Retailer 6$1,976 SGD
Retailer 7$2,023 SGD
Retailer 11$2,416 SGD
Retailer 10$2,733 SGD
Retailer 4$3,367 SGD
Retailer 3$3,897 SGD
Retailer 13$4,326 SGD
Retailer 5$4,564 SGD
Retailer 8$4,928 SGD
Brilliant Earth$6,203 SGD

8 data points across 14 retailers

14 retailers$1,267 SGD to $6,203 SGD

A
Cheapest Retailer
-
$1,267 SGD
$991 USD
Final sale: no returns
A
Retailer 2
-
$1,486 SGD
£915 GBP
View
B+
Retailer 3
-
$1,547 SGD
$1,210 USD
View
B+
Retailer 4
-
$1,567 SGD
$1,225 USD
View
B+
Retailer 5
-
$1,976 SGD
$1,545 USD
View
B+
Retailer 6
-
$2,023 SGD
£1,245 GBP
View
B+
Retailer 7
-
$2,416 SGD
ZAR 30,521 ZAR
View
B
Retailer 8
-
$2,733 SGD
$2,137 USD
View
B
Retailer 9
-
$3,367 SGD
$2,633 USD
View
B
Retailer 10
-
$3,897 SGD
$3,047 USD
View
B
Retailer 11
-
$4,326 SGD
$3,383 USD
View
B
Retailer 12
-
$4,564 SGD
$3,568 USD
View
B
Retailer 13
-
$4,928 SGD
£3,034 GBP
View
Most Expensive
B
Brilliant Earth
22318645A · Nov 2
$6,203 SGD
$4,850 USD
View
13 more retailers have this diamond
Prices start from $1,267 SGDSave up to $4,935 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
$1,267 SGD