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Heart|Lab Grown|IGI

1.25ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG828688730

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828688730

Diamond specifications and retailer prices

From $333 SGD
As of November 5, 2026
Save $1,597 SGD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,133 SGD at Brilliant Earth · As of October 10, 2026
View at Brilliant Earth

About this 1.25ct lab-grown heart diamond

This 1.25ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828688730 or 828688730. Listed at 16 retailers as of November 5, 2026, with a 479% 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

1.25
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828688730
Dimensions7.08 × 7.45 × 4.18 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.08 mm7.45 mm1.25 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828688730
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 56.1%

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 5
Current: $415 SGD|Low: $333 SGD|High: $1,961 SGD|Avg: $941 SGD|-4.1%
Retailer 1
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
November 5, 2026
Retailer 8$333 SGD
Retailer 1$415 SGD
Retailer 5$498 SGD
Retailer 2$639 SGD
Retailer 12$668 SGD
Retailer 10$688 SGD
Retailer 4$774 SGD
Retailer 3$797 SGD
Retailer 7$909 SGD
Retailer 14$1,189 SGD
Retailer 15$1,252 SGD
Retailer 13$1,279 SGD
Retailer 6$1,406 SGD
Retailer 11$1,473 SGD
Retailer 9$1,930 SGD

19 data points across 15 retailers

16 retailers$333 SGD to $1,930 SGD

A
Cheapest Retailer
-
$333 SGD
Final sale: no returns
A
Retailer 2
-
$415 SGD
View
A
Retailer 3
-
$498 SGD
View
A
Retailer 4
-
$639 SGD
View
B+
Retailer 5
-
$668 SGD
View
B+
Retailer 6
-
$688 SGD
View
B+
Retailer 7
-
$774 SGD
View
B+
Retailer 8
-
$797 SGD
View
Retailer 9
-
$909 SGD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$1,189 SGD
View
B+
Retailer 11
-
$1,252 SGD
View
B+
Retailer 12
-
$1,279 SGD
View
Retailer 13
-
$1,406 SGD
View
Price last confirmed 7 days ago
B
Retailer 14
-
$1,473 SGD
View
B
Retailer 15
-
$1,930 SGD
View
Most Expensive
Brilliant Earth
21324997A · Oct 10
$2,133 SGD
$1,670 USD
View
Price last confirmed 26 days ago
15 more retailers have this diamond
Prices start from $333 SGDSave up to $1,597 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
1.25ct Heart
$333 SGD