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Marquise|Lab Grown|IGI

1.12ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG425067461

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG425067461

Diamond specifications and retailer prices

From $1,239 SGD
$970 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: $1,239 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 1.12ct lab-grown marquise diamond

This 1.12ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425067461 or 425067461. Listed at a single retailer as of November 4, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.12
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067461
Dimensions10.36 × 5.59 × 3.41 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.36 mm5.59 mm1.12 ctH / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425067461
Side View
Table 58.0%Crown 32.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: $1,239 SGD|Low: $649 SGD|High: $3,570 SGD|Avg: $1,906 SGD|-13.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
August 27, 2026
Retailer 4$649 SGD
Retailer 9$935 SGD
Retailer 3$1,162 SGD
Brilliant Earth$1,239 SGD
Retailer 2$1,508 SGD
Retailer 7$1,528 SGD
Retailer 6$2,323 SGD
Retailer 8$2,700 SGD
Retailer 5$3,037 SGD

80 data points across 9 retailers

1 retailer

B+
Brilliant Earth
19761296A · Nov 4
$1,239 SGD
$970 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+
1.12ct Marquise
$1,239 SGD