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Round|Lab Grown|IGI

1.23ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG685550014

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685550014

Diamond specifications and retailer prices

From $202 SGD
As of November 5, 2026
Save $966 SGD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,168 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct 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 LG685550014 or 685550014. Listed at 18 retailers as of November 4, 2026, with prices from $202 to $1,168, a $966 spread on the same certified stone. MOH London lists it at $1,168. 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

1.23
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685550014
Dimensions6.94 × 6.90 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.94 mm6.90 mm1.23 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685550014
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.8%

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 5
Current: $1,168 SGD|Low: $194 SGD|High: $1,243 SGD|Avg: $519 SGD|-6.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 14$202 SGD
Retailer 7$225 SGD
Retailer 6$234 SGD
Retailer 16$250 SGD
Retailer 17$250 SGD
Retailer 8$335 SGD
Retailer 11$432 SGD
Retailer 2$434 SGD
Retailer 5$490 SGD
Retailer 4$496 SGD
Retailer 13$612 SGD
Retailer 10$619 SGD
Retailer 12$654 SGD
Retailer 15$741 SGD
Retailer 9$805 SGD
Retailer 3$875 SGD
MOH London$1,168 SGD

44 data points across 17 retailers

18 retailers$202 SGD to $1,168 SGD

A
Cheapest Retailer
-
$202 SGD
A
Retailer 2
-
$225 SGD
View
Final sale: no returns
A
Retailer 3
-
$234 SGD
View
A
Retailer 4
-
$250 SGD
View
Retailer 5
-
$250 SGD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$335 SGD
View
A
Retailer 7
-
$432 SGD
View
A
Retailer 8
-
$434 SGD
View
A
Retailer 9
-
$490 SGD
View
B+
Retailer 10
-
$612 SGD
View
Retailer 11
-
$613 SGD
View
Price last confirmed 16 days ago
B+
Retailer 12
-
$619 SGD
View
B+
Retailer 13
-
$654 SGD
View
B+
Retailer 14
-
$667 SGD
View
B+
Retailer 15
-
$741 SGD
View
B
Retailer 16
-
$805 SGD
View
B
Retailer 17
-
$875 SGD
View
Most Expensive
B
MOH London
LG685550014 · Nov 4
$1,168 SGD
£720 GBP
View
17 more retailers have this diamond
Prices start from $202 SGDSave up to $966 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 Round
$202 SGD