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Round|Lab Grown|IGI

1.24ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG681502971

Shape and cutting style on the report: Round brilliant

Certificate IGI LG681502971

Diamond specifications and retailer prices

From $465 SGD
As of November 5, 2026
Save $774 SGD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,239 SGD at MOH London · As of November 1, 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 LG681502971 or 681502971. Listed at 15 retailers as of November 1, 2026, with prices from $465 to $1,239, a $774 spread on the same certified stone. MOH London lists it at $1,239. 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
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681502971
Dimensions6.81 × 6.79 × 4.32 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.81 mm6.79 mm1.24 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681502971
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.5%

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: $1,239 SGD|Low: $264 SGD|High: $1,254 SGD|Avg: $613 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 8$264 SGD
Retailer 3$465 SGD
Retailer 6$473 SGD
Retailer 9$476 SGD
Retailer 2$520 SGD
Retailer 10$585 SGD
Retailer 5$619 SGD
Retailer 7$754 SGD
Retailer 4$899 SGD
MOH London$1,239 SGD

41 data points across 10 retailers

15 retailers$465 SGD to $1,239 SGD

Retailer 1
-
$213 SGD
Price last confirmed 41 days ago
Retailer 2
-
$248 SGD
View
Price last confirmed 45 days ago
Retailer 3
-
$262 SGD
View
Price last confirmed 42 days ago
Retailer 4
-
$264 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$465 SGD
View
A
Retailer 6
-
$476 SGD
View
B+
Retailer 7
-
$502 SGD
View
A
Retailer 8
-
$520 SGD
View
B+
Retailer 9
-
$585 SGD
View
Retailer 10
-
$613 SGD
View
Price last confirmed 19 days ago
B+
Retailer 11
-
$619 SGD
View
Retailer 12
-
$754 SGD
View
Price last confirmed 19 days ago
Retailer 13
-
$852 SGD
View
Price last confirmed 41 days ago
B
Retailer 14
-
$899 SGD
View
Most Expensive
B
MOH London
LG681502971 · Nov 1
$1,239 SGD
£764 GBP
View
14 more retailers have this diamond
Prices start from $465 SGDSave up to $774 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
$465 SGD