Heart|Lab Grown|IGI

1.51ct H VVS1 Heart Lab Grown Diamond

ID • H/VVS1 • IGI LG628488245

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG628488245

Diamond specifications and retailer prices

From $312 SGD
As of November 4, 2026
Save $1,375 SGD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,687 SGD at Brilliant Earth · As of November 4, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG628488245 or 628488245. Listed at 23 retailers as of November 4, 2026, with prices from $312 to $1,687, a $1,375 spread on the same certified stone. Brilliant Earth lists it at $1,687. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628488245
Dimensions6.83 × 8.07 × 4.70 mm
L/W Ratio1.18
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
6.83 mm8.07 mm1.51 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628488245
Side View
Table 59.0%Crown 36.9°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 58.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,687 SGD|Low: $248 SGD|High: $2,224 SGD|Avg: $947 SGD|-24.1%
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
November 5, 2026
Retailer 12$312 SGD
Retailer 14$360 SGD
Retailer 9$457 SGD
Retailer 13$547 SGD
Retailer 3$633 SGD
Retailer 7$652 SGD
Retailer 10$666 SGD
Retailer 15$705 SGD
Retailer 16$725 SGD
Retailer 17$849 SGD
Retailer 6$1,035 SGD
Retailer 11$1,246 SGD
Retailer 5$1,307 SGD
Retailer 8$1,307 SGD
Retailer 4$1,530 SGD
Retailer 2$1,542 SGD
Brilliant Earth$1,687 SGD

24 data points across 17 retailers

23 retailers$312 SGD to $1,687 SGD

A
Cheapest Retailer
-
$312 SGD
Retailer 2
-
$312 SGD
View
Price last confirmed 36 days ago
Retailer 3
-
$312 SGD
View
Price last confirmed 28 days ago
Retailer 4
-
$312 SGD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$360 SGD
View
Final sale: no returns
Retailer 6
-
$362 SGD
View
Price last confirmed 37 days ago
Retailer 7
-
$381 SGD
View
Price last confirmed 39 days ago
Retailer 8
-
$386 SGD
View
Price last confirmed 26 days ago
Retailer 9
-
$386 SGD
View
Price last confirmed 33 days ago
A
Retailer 10
-
$457 SGD
View
B+
Retailer 11
-
$547 SGD
View
B+
Retailer 12
-
$666 SGD
View
B+
Retailer 13
-
$705 SGD
View
B+
Retailer 14
-
$725 SGD
View
B+
Retailer 15
-
$849 SGD
View
Retailer 16
-
$1,241 SGD
View
Price last confirmed 26 days ago
B
Retailer 17
-
$1,241 SGD
View
Retailer 18
-
$1,241 SGD
View
Price last confirmed 36 days ago
B
Retailer 19
-
$1,246 SGD
View
B
Retailer 20
-
$1,307 SGD
View
B
Retailer 21
-
$1,307 SGD
View
B
Retailer 22
-
$1,542 SGD
View
Most Expensive
B
Brilliant Earth
9949780A · Nov 4
$1,687 SGD
$1,320 USD
View
22 more retailers have this diamond
Prices start from $312 SGDSave up to $1,375 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
$312 SGD