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1.24ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG799670980

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799670980

Diamond specifications and retailer prices

From $217 SGD
As of November 1, 2026
Save $1,043 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,260 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.24ct lab-grown round diamond

This 1.24ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG799670980 or 799670980. Listed at 12 retailers as of November 1, 2026, with prices from $217 to $1,260, a $1,043 spread on the same certified stone. MOH London lists it at $1,260. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.24
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799670980
Dimensions6.82 × 6.78 × 4.28 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.82 mm6.78 mm1.24 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG799670980
Side View
Table 54.0%Crown 35.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,260 SGD|Low: $137 SGD|High: $1,277 SGD|Avg: $512 SGD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 5$137 SGD
Retailer 9$217 SGD
Retailer 10$244 SGD
Retailer 4$270 SGD
Retailer 6$460 SGD
Retailer 7$479 SGD
Retailer 3$482 SGD
Retailer 13$503 SGD
Retailer 12$589 SGD
Retailer 2$619 SGD
Retailer 8$700 SGD
Retailer 11$754 SGD
MOH London$1,260 SGD

36 data points across 13 retailers

12 retailers$217 SGD to $1,260 SGD

A
Cheapest Retailer
-
$217 SGD
A
Retailer 2
-
$244 SGD
View
Final sale: no returns
Retailer 3
-
$270 SGD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$460 SGD
View
A
Retailer 5
-
$479 SGD
View
A
Retailer 6
-
$482 SGD
View
B+
Retailer 7
-
$503 SGD
View
B+
Retailer 8
-
$589 SGD
View
B+
Retailer 9
-
$619 SGD
View
B
Retailer 10
-
$700 SGD
View
B+
Retailer 11
-
$754 SGD
View
Most Expensive
B
MOH London
LG799670980 · Nov 2
$1,260 SGD
£777 GBP
View
11 more retailers have this diamond
Prices start from $217 SGDSave up to $1,043 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
1.24ct Round
$217 SGD