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Heart|Lab Grown|IGI

1.23ct G VVS2 Heart Lab Grown Diamond

EX • G/VVS2 • IGI LG598394354

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598394354

Diamond specifications and retailer prices

From $268 SGD
As of November 3, 2026
Save $1,122 SGD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,391 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG598394354 or 598394354. Listed at 20 retailers as of November 1, 2026, with prices from $268 to $1,391, a $1,122 spread on the same certified stone. MOH London lists it at $1,391. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598394354
Dimensions6.83 × 7.32 × 4.33 mm
L/W Ratio1.07
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
6.83 mm7.32 mm1.23 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598394354
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $1,391 SGD|Low: $239 SGD|High: $1,464 SGD|Avg: $638 SGD|-3.8%
MOH London
Retailer 2
Retailer 3
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Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 4, 2026
Retailer 4$240 SGD
Retailer 5$268 SGD
Retailer 18$279 SGD
Retailer 8$309 SGD
Retailer 10$309 SGD
Retailer 17$403 SGD
Retailer 14$512 SGD
Retailer 11$534 SGD
Retailer 12$547 SGD
Retailer 3$601 SGD
Retailer 16$613 SGD
Retailer 13$725 SGD
Retailer 2$960 SGD
Retailer 9$994 SGD
Retailer 15$998 SGD
Retailer 6$1,025 SGD
Retailer 7$1,035 SGD
MOH London$1,391 SGD

43 data points across 18 retailers

20 retailers$268 SGD to $1,391 SGD

Retailer 1
-
$240 SGD
Price last confirmed 9 days ago
A
Retailer 2
-
$268 SGD
View
Final sale: no returns
Retailer 3
-
$279 SGD
View
Price last confirmed 8 days ago
Retailer 4
-
$309 SGD
View
Price last confirmed 11 days ago
Retailer 5
-
$309 SGD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$403 SGD
View
A
Retailer 7
-
$512 SGD
View
A
Retailer 8
-
$534 SGD
View
A
Retailer 9
-
$547 SGD
View
B+
Retailer 10
-
$601 SGD
View
B+
Retailer 11
-
$613 SGD
View
B+
Retailer 12
-
$725 SGD
View
B+
Retailer 13
-
$762 SGD
View
B
Retailer 14
-
$960 SGD
View
Retailer 15
-
$994 SGD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$998 SGD
View
B
Retailer 17
-
$1,025 SGD
View
B
Retailer 18
-
$1,035 SGD
View
Retailer 19
-
$1,035 SGD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG598394354 · Nov 1
$1,391 SGD
£857 GBP
View
19 more retailers have this diamond
Prices start from $268 SGDSave up to $1,122 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
$268 SGD