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3.11ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG792619889

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792619889

Diamond specifications and retailer prices

From $546 SGD
$427 USD
As of November 1, 2026
Save $2,164 SGD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,710 SGD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 3.11ct lab-grown round diamond

This 3.11ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG792619889 or 792619889. Listed at 17 retailers as of November 1, 2026, with prices from $546 to $2,710, a $2,164 spread on the same certified stone. Brilliant Earth lists it at $2,710. 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

3.11
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792619889
Dimensions9.39 × 9.43 × 5.73 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
9.39 mm9.43 mm3.11 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792619889
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.9%

Caratlytics Score

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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: $2,710 SGD|Low: $546 SGD|High: $2,787 SGD|Avg: $1,516 SGD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8$546 SGD
Retailer 5$863 SGD
Retailer 10$1,065 SGD
Retailer 9$1,067 SGD
Retailer 4$1,077 SGD
Retailer 3$1,113 SGD
Retailer 7$1,626 SGD
Retailer 6$2,301 SGD
Retailer 2$2,487 SGD
Brilliant Earth$2,710 SGD

42 data points across 10 retailers

17 retailers$546 SGD to $2,710 SGD

A
Cheapest Retailer
-
$546 SGD
$427 USD
A
Retailer 2
-
$611 SGD
$478 USD
View
Retailer 3
-
$678 SGD
$530 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$678 SGD
$530 USD
View
A
Retailer 5
-
$863 SGD
$675 USD
View
A
Retailer 6
-
$1,065 SGD
$833 USD
View
B+
Retailer 7
-
$1,067 SGD
$835 USD
View
A
Retailer 8
-
$1,077 SGD
€802 EUR
View
A
Retailer 9
-
$1,113 SGD
£686 GBP
View
B+
Retailer 10
-
$1,333 SGD
$1,043 USD
View
B
Retailer 11
-
$1,626 SGD
$1,272 USD
View
Retailer 12
-
$1,746 SGD
$1,366 USD
View
Price last confirmed 46 days ago
B
Retailer 13
-
$2,176 SGD
$1,702 USD
View
B
Retailer 14
-
$2,218 SGD
$1,735 USD
View
B
Retailer 15
-
$2,301 SGD
$1,800 USD
View
B
Retailer 16
-
$2,487 SGD
£1,532 GBP
View
Most Expensive
B
Brilliant Earth
18909503A · Nov 1
$2,710 SGD
$2,120 USD
View
16 more retailers have this diamond
Prices start from $546 SGDSave up to $2,164 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
3.11ct Round
$546 SGD