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Marquise|Lab Grown|IGI

1.00ct H VS2 Marquise Lab Grown Diamond

ID • H/VS2 • IGI LG512220519

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG512220519

Diamond specifications and retailer prices

From $1,151 SGD
$900 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $1,151 SGD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512220519 or 512220519. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512220519
Dimensions9.98 × 5.26 × 3.12 mm
L/W Ratio1.90
Girdle conditionFaceted
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
9.98 mm5.26 mm1.00 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512220519
Side View
Table 58.0%Crown 37.5°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,151 SGD|Low: $1,151 SGD|High: $2,670 SGD|Avg: $2,006 SGD|-18.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
July 26, 2026
Brilliant Earth$1,151 SGD
Retailer 2$1,228 SGD
Retailer 5$2,198 SGD
Retailer 3$2,617 SGD
Retailer 4$2,670 SGD

10 data points across 5 retailers

1 retailer

B
Brilliant Earth
20637364A · Nov 2
$1,151 SGD
$900 USD
View

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.

B
1.00ct Marquise
$1,151 SGD