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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG662412809

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG662412809

Diamond specifications and retailer prices

From $278 SGD
As of November 4, 2026
Save $1,320 SGD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,598 SGD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662412809 or 662412809. Listed at 19 retailers as of November 4, 2026, with prices from $278 to $1,598, a $1,320 spread on the same certified stone. Reve Diamonds lists it at $1,598. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662412809
Dimensions7.57 × 6.43 × 4.51 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.57 mm6.43 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662412809
Side View
Table 55.0%Crown 34.3°Girdle: MediumPavilion 39.6°Culet: NoneDepth 59.6%

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: $457 SGD|Low: $278 SGD|High: $1,616 SGD|Avg: $790 SGD|+8.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
November 5, 2026
Retailer 15$278 SGD
Retailer 17$312 SGD
Retailer 4$323 SGD
Retailer 13$345 SGD
Retailer 8$353 SGD
Retailer 1$457 SGD
Retailer 3$590 SGD
Retailer 6$608 SGD
Retailer 12$619 SGD
Retailer 14$635 SGD
Retailer 9$757 SGD
Retailer 5$861 SGD
Retailer 10$1,003 SGD
Retailer 11$1,073 SGD
Retailer 16$1,110 SGD
Retailer 2$1,114 SGD
Retailer 18$1,178 SGD
Retailer 7$1,410 SGD
Reve Diamonds$1,598 SGD

35 data points across 19 retailers

19 retailers$278 SGD to $1,598 SGD

A
Cheapest Retailer
-
$278 SGD
A
Retailer 2
-
$312 SGD
View
Final sale: no returns
A
Retailer 3
-
$323 SGD
View
A
Retailer 4
-
$345 SGD
View
Retailer 5
-
$353 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$457 SGD
View
B+
Retailer 7
-
$590 SGD
View
B+
Retailer 8
-
$608 SGD
View
B+
Retailer 9
-
$619 SGD
View
B+
Retailer 10
-
$635 SGD
View
B+
Retailer 11
-
$757 SGD
View
B+
Retailer 12
-
$861 SGD
View
B
Retailer 13
-
$1,003 SGD
View
B
Retailer 14
-
$1,073 SGD
View
B
Retailer 15
-
$1,110 SGD
View
B
Retailer 16
-
$1,114 SGD
View
B
Retailer 17
-
$1,178 SGD
View
B
Retailer 18
-
$1,410 SGD
View
Most Expensive
B
Reve Diamonds
50A7CF060 · Nov 4
$1,598 SGD
$1,251 USD
View
18 more retailers have this diamond
Prices start from $278 SGDSave up to $1,320 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
1.23ct Heart
$278 SGD