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Heart|Lab Grown|IGI

3.51ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG778675137

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG778675137

Diamond specifications and retailer prices

From $2,246 SGD
$1,756 USD
As of November 2, 2026
Save $4,099 SGD (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,344 SGD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.51ct lab-grown heart diamond

This 3.51ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778675137 or 778675137. Listed at 6 retailers as of October 31, 2026, with prices from $2,246 to $6,344, a $4,099 spread on the same certified stone. Taylor and Hart lists it at $6,344. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778675137
Dimensions9.33 × 10.64 × 5.97 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.33 mm10.64 mm3.51 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778675137
Side View
Table 59.0%Crown 38°Girdle: STK-THKPavilion 37.2°Culet: NoneDepth 56.1%

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 2
Current: $2,605 SGD|Low: $2,179 SGD|High: $6,463 SGD|Avg: $3,873 SGD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
November 2, 2026
Retailer 3$2,246 SGD
Retailer 1$2,605 SGD
Retailer 5$2,870 SGD
Retailer 4$3,381 SGD
Retailer 2$5,815 SGD
Taylor and Hart$6,344 SGD

42 data points across 6 retailers

6 retailers$2,246 SGD to $6,344 SGD

A
Cheapest Retailer
-
$2,246 SGD
$1,756 USD
B+
Retailer 2
-
$2,605 SGD
£1,604 GBP
View
B+
Retailer 3
-
$2,870 SGD
$2,244 USD
View
B+
Retailer 4
-
$3,381 SGD
$2,644 USD
View
B
Retailer 5
-
$5,815 SGD
£3,580 GBP
View
Most Expensive
B
Taylor and Hart
HGHQXFF · Oct 31
$6,344 SGD
$4,961 USD
View
5 more retailers have this diamond
Prices start from $2,246 SGDSave up to $4,099 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
3.51ct Heart
$2,246 SGD