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Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG828688731

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828688731

Diamond specifications and retailer prices

From $293 SGD
As of November 4, 2026
Save $1,623 SGD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,916 SGD at Michael Trio · As of November 4, 2026
View at Michael Trio

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828688731 or 828688731. Listed at 20 retailers as of November 4, 2026, with prices from $293 to $1,916, a $1,623 spread on the same certified stone. Michael Trio lists it at $1,916. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828688731
Dimensions6.67 × 7.32 × 4.39 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.67 mm7.32 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828688731
Side View
Table 61.0%Crown 35.3°Girdle: STK-THKPavilion 41°Culet: NoneDepth 60.0%

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 4
Current: $1,916 SGD|Low: $293 SGD|High: $1,939 SGD|Avg: $839 SGD|-1.2%
Michael Trio
Retailer 2
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Retailer 20
November 5, 2026
Retailer 17$293 SGD
Retailer 13$328 SGD
Retailer 20$340 SGD
Retailer 14$361 SGD
Retailer 12$369 SGD
Retailer 2$410 SGD
Retailer 19$488 SGD
Retailer 7$630 SGD
Retailer 6$658 SGD
Retailer 15$672 SGD
Retailer 9$769 SGD
Retailer 8$774 SGD
Retailer 10$897 SGD
Retailer 18$1,169 SGD
Retailer 4$1,173 SGD
Retailer 5$1,235 SGD
Retailer 3$1,258 SGD
Retailer 11$1,396 SGD
Retailer 16$1,452 SGD
Michael Trio$1,916 SGD

15 data points across 20 retailers

20 retailers$293 SGD to $1,916 SGD

A
Cheapest Retailer
-
$293 SGD
A
Retailer 2
-
$328 SGD
View
Final sale: no returns
A
Retailer 3
-
$340 SGD
View
A
Retailer 4
-
$361 SGD
View
Retailer 5
-
$369 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$410 SGD
View
A
Retailer 7
-
$488 SGD
View
A
Retailer 8
-
$630 SGD
View
B+
Retailer 9
-
$658 SGD
View
B+
Retailer 10
-
$672 SGD
View
B+
Retailer 11
-
$769 SGD
View
B+
Retailer 12
-
$774 SGD
View
Retailer 13
-
$897 SGD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$1,169 SGD
View
B
Retailer 15
-
$1,173 SGD
View
B+
Retailer 16
-
$1,235 SGD
View
B+
Retailer 17
-
$1,258 SGD
View
Retailer 18
-
$1,396 SGD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$1,452 SGD
View
Most Expensive
B
Michael Trio
5709104730 · Nov 4
$1,916 SGD
View
19 more retailers have this diamond
Prices start from $293 SGDSave up to $1,623 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
$293 SGD