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Round|Lab Grown|IGI

1.23ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG799635418

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799635418

Diamond specifications and retailer prices

From $261 SGD
$204 USD
As of November 1, 2026
Save $1,254 SGD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,515 SGD at MOH London · As of November 1, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799635418 or 799635418. Listed at 18 retailers as of November 1, 2026, with prices from $261 to $1,515, a $1,254 spread on the same certified stone. MOH London lists it at $1,515. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799635418
Dimensions6.95 × 6.92 × 4.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm6.92 mm1.23 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799635418
Side View
Table 58.0%Crown 33.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.6%

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 1
Current: $1,515 SGD|Low: $251 SGD|High: $1,533 SGD|Avg: $695 SGD
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 2, 2026
Retailer 10$261 SGD
Retailer 12$323 SGD
Retailer 5$542 SGD
Retailer 8$559 SGD
Retailer 13$561 SGD
Retailer 6$593 SGD
Retailer 7$595 SGD
Retailer 3$637 SGD
Retailer 11$671 SGD
Retailer 9$792 SGD
Retailer 2$844 SGD
Retailer 4$1,170 SGD
MOH London$1,515 SGD

43 data points across 13 retailers

18 retailers$261 SGD to $1,515 SGD

A
Cheapest Retailer
-
$261 SGD
$204 USD
A
Retailer 2
-
$303 SGD
$237 USD
View
Retailer 3
-
$323 SGD
$253 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$323 SGD
$253 USD
View
A
Retailer 5
-
$542 SGD
$424 USD
View
A
Retailer 6
-
$559 SGD
ZAR 7,070 ZAR
View
A
Retailer 7
-
$561 SGD
$439 USD
View
A
Retailer 8
-
$593 SGD
£365 GBP
View
B+
Retailer 9
-
$595 SGD
€443 EUR
View
B+
Retailer 10
-
$637 SGD
$498 USD
View
B+
Retailer 11
-
$671 SGD
$525 USD
View
B+
Retailer 12
-
$792 SGD
A$953 AUD
View
B+
Retailer 13
-
$844 SGD
$660 USD
View
Retailer 14
-
$950 SGD
$743 USD
View
Price last confirmed 47 days ago
B
Retailer 15
-
$1,042 SGD
$815 USD
View
B
Retailer 16
-
$1,110 SGD
$868 USD
View
B
Retailer 17
-
$1,194 SGD
$934 USD
View
Most Expensive
B
MOH London
LG799635418 · Nov 1
$1,515 SGD
£933 GBP
View
17 more retailers have this diamond
Prices start from $261 SGDSave up to $1,254 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
$261 SGD