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Heart|Lab Grown|IGI

0.78ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG683590728

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG683590728

Diamond specifications and retailer prices

From $349 SGD
$273 USD
As of October 30, 2026
Save $1,208 SGD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,557 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 0.78ct lab-grown heart diamond

This 0.78ct lab-grown heart sits in the just-under-one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG683590728 or 683590728. Listed at 13 retailers as of October 29, 2026, with prices from $349 to $1,557, a $1,208 spread on the same certified stone. MOH London lists it at $1,557. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683590728
Dimensions5.60 × 6.43 × 3.71 mm
L/W Ratio1.15
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
5.60 mm6.43 mm0.78 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683590728
Side View
Table 62.0%Crown 35.2°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 57.7%

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: Oct 30
Current: $1,557 SGD|Low: $312 SGD|High: $1,942 SGD|Avg: $851 SGD|-18.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 9$312 SGD
Retailer 10$349 SGD
Retailer 11$386 SGD
Retailer 2$424 SGD
Retailer 3$447 SGD
Retailer 8$649 SGD
Retailer 7$686 SGD
Retailer 5$740 SGD
Retailer 6$982 SGD
Retailer 12$1,319 SGD
Retailer 4$1,542 SGD
MOH London$1,557 SGD

42 data points across 12 retailers

13 retailers$349 SGD to $1,557 SGD

Retailer 1
-
$312 SGD
$244 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$349 SGD
$273 USD
View
Final sale: no returns
Retailer 3
-
$386 SGD
$302 USD
View
Price last confirmed 20 days ago
B+
Retailer 4
-
$424 SGD
$332 USD
View
Retailer 5
-
$447 SGD
$350 USD
View
Price last confirmed 34 days ago
B
Retailer 6
-
$649 SGD
$508 USD
View
B
Retailer 7
-
$686 SGD
A$825 AUD
View
B
Retailer 8
-
$740 SGD
£456 GBP
View
B
Retailer 9
-
$982 SGD
A$1,182 AUD
View
Retailer 10
-
$1,243 SGD
$972 USD
View
Price last confirmed 20 days ago
B
Retailer 11
-
$1,319 SGD
$1,032 USD
View
B
Retailer 12
-
$1,542 SGD
£950 GBP
View
Most Expensive
B
MOH London
LG683590728 · Oct 29
$1,557 SGD
£959 GBP
View
12 more retailers have this diamond
Prices start from $349 SGDSave up to $1,208 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
0.78ct Heart
$349 SGD