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Marquise|Lab Grown|IGI

1.00ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG512205109

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG512205109

Diamond specifications and retailer prices

From $923 SGD
As of November 4, 2026
Save $3,305 SGD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,228 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise 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 LG512205109 or 512205109. Listed at 15 retailers as of October 29, 2026, with prices from $923 to $4,228, a $3,305 spread on the same certified stone. MOH London lists it at $4,228. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205109
Dimensions10.37 × 5.36 × 3.05 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.37 mm5.36 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512205109
Side View
Table 62.0%Crown 33.2°Girdle: STK-THKPavilion 37.3°Culet: NoneDepth 56.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,228 SGD|Low: $886 SGD|High: $4,260 SGD|Avg: $2,154 SGD|+0.5%
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
November 2, 2026
Retailer 12$923 SGD
Retailer 3$1,004 SGD
Retailer 4$1,033 SGD
Retailer 14$1,071 SGD
Retailer 13$1,227 SGD
Retailer 10$1,297 SGD
Retailer 7$1,682 SGD
Retailer 16$1,737 SGD
Retailer 2$1,967 SGD
Retailer 11$2,638 SGD
Retailer 9$2,790 SGD
Retailer 15$3,011 SGD
Retailer 8$3,066 SGD
Retailer 5$3,330 SGD
Retailer 6$3,352 SGD
MOH London$4,228 SGD

24 data points across 16 retailers

15 retailers$923 SGD to $4,228 SGD

A
Cheapest Retailer
-
$923 SGD
B+
Retailer 2
-
$1,004 SGD
View
B+
Retailer 3
-
$1,033 SGD
View
Final sale: no returns
Retailer 4
-
$1,071 SGD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
$1,071 SGD
View
B+
Retailer 6
-
$1,227 SGD
View
B+
Retailer 7
-
$1,297 SGD
View
B
Retailer 8
-
$1,737 SGD
View
B
Retailer 9
-
$1,967 SGD
View
B
Retailer 10
-
$2,638 SGD
View
B
Retailer 11
-
$2,790 SGD
View
B
Retailer 12
-
$3,011 SGD
View
B
Retailer 13
-
$3,330 SGD
View
B
Retailer 14
-
$3,352 SGD
View
Most Expensive
B
MOH London
LG512205109 · Oct 29
$4,228 SGD
£2,605 GBP
View
14 more retailers have this diamond
Prices start from $923 SGDSave up to $3,305 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
1.00ct Marquise
$923 SGD