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Heart|Lab Grown|IGI

1.51ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG836620979

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836620979

Diamond specifications and retailer prices

From $801 SGD
$626 USD
As of November 2, 2026
Save $3,842 SGD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,642 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 LG836620979 or 836620979. Listed at 19 retailers as of November 2, 2026, with prices from $801 to $4,642, a $3,842 spread on the same certified stone. Brilliant Earth lists it at $4,642. 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 angle38.3°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620979
Dimensions7.07 × 7.83 × 4.56 mm
L/W Ratio1.11
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
7.07 mm7.83 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620979
Side View
Table 59.0%Crown 38.3°Girdle: Slightly ThickPavilion 36.9°Culet: NoneDepth 58.2%

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 2
Current: $4,642 SGD|Low: $801 SGD|High: $6,382 SGD|Avg: $2,486 SGD|-27.3%
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
November 2, 2026
Retailer 11$801 SGD
Retailer 3$911 SGD
Retailer 17$972 SGD
Retailer 6$1,058 SGD
Retailer 15$1,196 SGD
Retailer 4$1,445 SGD
Retailer 12$1,553 SGD
Retailer 14$1,554 SGD
Retailer 16$1,585 SGD
Retailer 2$1,785 SGD
Retailer 9$2,264 SGD
Retailer 18$2,730 SGD
Retailer 8$3,196 SGD
Retailer 5$3,351 SGD
Retailer 10$3,801 SGD
Retailer 7$4,041 SGD
Retailer 13$4,091 SGD
Brilliant Earth$4,642 SGD

35 data points across 18 retailers

19 retailers$801 SGD to $4,642 SGD

A
Cheapest Retailer
-
$801 SGD
$626 USD
A
Retailer 2
-
$911 SGD
$712 USD
View
A
Retailer 3
-
$972 SGD
$760 USD
View
Retailer 4
-
$1,005 SGD
$786 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$1,058 SGD
$827 USD
View
Final sale: no returns
A
Retailer 6
-
$1,196 SGD
$935 USD
View
A
Retailer 7
-
$1,445 SGD
$1,130 USD
View
B+
Retailer 8
-
$1,553 SGD
£956 GBP
View
B+
Retailer 9
-
$1,554 SGD
€1,157 EUR
View
B+
Retailer 10
-
$1,585 SGD
$1,239 USD
View
B+
Retailer 11
-
$1,785 SGD
ZAR 22,544 ZAR
View
B+
Retailer 12
-
$2,264 SGD
$1,770 USD
View
B+
Retailer 13
-
$2,730 SGD
$2,135 USD
View
B+
Retailer 14
-
$3,196 SGD
$2,499 USD
View
B
Retailer 15
-
$3,351 SGD
$2,620 USD
View
B
Retailer 16
-
$3,801 SGD
View
B
Retailer 17
-
$4,041 SGD
$3,160 USD
View
B
Retailer 18
-
$4,091 SGD
£2,519 GBP
View
Most Expensive
B
Brilliant Earth
21590133A · Nov 2
$4,642 SGD
$3,630 USD
View
18 more retailers have this diamond
Prices start from $801 SGDSave up to $3,842 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
$801 SGD