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Round|Lab Grown|IGI

1.12ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG677564731

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677564731

Diamond specifications and retailer prices

From $198 SGD
As of November 5, 2026
Save $1,143 SGD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,341 SGD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.12ct lab-grown round diamond

This 1.12ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677564731 or 677564731. Listed at 15 retailers as of November 5, 2026, with prices from $198 to $1,341, a $1,143 spread on the same certified stone. Reve Diamonds lists it at $1,341. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677564731
Dimensions6.65 × 6.63 × 4.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.65 mm6.63 mm1.12 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677564731
Side View
Table 58.0%Crown 34.6°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $422 SGD|Low: $198 SGD|High: $1,341 SGD|Avg: $525 SGD|-4.1%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 4$198 SGD
Retailer 2$222 SGD
Retailer 3$230 SGD
Retailer 14$245 SGD
Retailer 6$264 SGD
Retailer 1$422 SGD
Retailer 11$448 SGD
Retailer 7$460 SGD
Retailer 12$460 SGD
Retailer 10$658 SGD
Retailer 13$789 SGD
Retailer 9$834 SGD
Retailer 5$860 SGD
Retailer 8$1,148 SGD
Reve Diamonds$1,341 SGD

42 data points across 15 retailers

15 retailers$198 SGD to $1,341 SGD

A
Cheapest Retailer
-
$198 SGD
A
Retailer 2
-
$222 SGD
View
Final sale: no returns
A
Retailer 3
-
$230 SGD
View
A
Retailer 4
-
$245 SGD
View
Retailer 5
-
$264 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$422 SGD
View
A
Retailer 7
-
$448 SGD
View
A
Retailer 8
-
$460 SGD
View
B+
Retailer 9
-
$460 SGD
View
B
Retailer 10
-
$658 SGD
View
B
Retailer 11
-
$789 SGD
View
B
Retailer 12
-
$834 SGD
View
B
Retailer 13
-
$860 SGD
View
B
Retailer 14
-
$1,148 SGD
View
Most Expensive
B
Reve Diamonds
EA4B74DDF · Nov 6
$1,341 SGD
$1,050 USD
View
14 more retailers have this diamond
Prices start from $198 SGDSave up to $1,143 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
1.12ct Round
$198 SGD