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Heart|Lab Grown|IGI

1.51ct H VS1 Heart Lab Grown Diamond

EX • H/VS1 • IGI LG782601931

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG782601931

Diamond specifications and retailer prices

From $281 SGD
As of November 4, 2026
Save $1,109 SGD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,198 SGD at Brilliant Earth · As of September 28, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG782601931 or 782601931. Listed at 19 retailers as of November 4, 2026, with a 395% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782601931
Dimensions7.23 × 8.00 × 4.62 mm
L/W Ratio1.11
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 Faint Blue
Top View
7.23 mm8.00 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782601931
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 57.8%

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: Nov 4
Current: $1,303 SGD|Low: $281 SGD|High: $2,134 SGD|Avg: $757 SGD|-38.9%
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
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Retailer 17
Retailer 18
November 5, 2026
Retailer 14$281 SGD
Retailer 7$313 SGD
Retailer 15$326 SGD
Retailer 17$348 SGD
Retailer 10$369 SGD
Retailer 11$463 SGD
Retailer 4$576 SGD
Retailer 9$596 SGD
Retailer 16$599 SGD
Retailer 5$634 SGD
Retailer 3$672 SGD
Retailer 13$811 SGD
Retailer 12$914 SGD
Retailer 18$1,118 SGD
Retailer 8$1,128 SGD
Retailer 6$1,185 SGD
Brilliant Earth$1,303 SGD
Retailer 2$1,390 SGD

45 data points across 18 retailers

19 retailers$281 SGD to $1,390 SGD

A
Cheapest Retailer
-
$281 SGD
A
Retailer 2
-
$313 SGD
View
Final sale: no returns
A
Retailer 3
-
$326 SGD
View
A
Retailer 4
-
$348 SGD
View
Retailer 5
-
$369 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$463 SGD
View
A
Retailer 7
-
$576 SGD
View
A
Retailer 8
-
$596 SGD
View
A
Retailer 9
-
$599 SGD
View
A
Retailer 10
-
$634 SGD
View
A
Retailer 11
-
$672 SGD
View
A
Retailer 12
-
$811 SGD
View
B+
Retailer 13
-
$914 SGD
View
B+
Retailer 14
-
$1,118 SGD
View
B+
Retailer 15
-
$1,128 SGD
View
B+
Retailer 16
-
$1,185 SGD
View
B+
Retailer 17
-
$1,303 SGD
View
B
Retailer 18
-
$1,390 SGD
View
Most Expensive
Brilliant Earth
20465160A · Sep 28
$2,198 SGD
$1,720 USD
View
Price last confirmed 37 days ago
18 more retailers have this diamond
Prices start from $281 SGDSave up to $1,109 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
$281 SGD