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10.39ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG623420092

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623420092

Diamond specifications and retailer prices

From $2,643 SGD
$2,067 USD
As of November 1, 2026
Save $14,148 SGD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $16,792 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 10.39ct lab-grown round diamond

This 10.39ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG623420092 or 623420092. Listed at 18 retailers as of November 1, 2026, with prices from $2,643 to $16,792, a $14,148 spread on the same certified stone. Brilliant Earth lists it at $16,792. 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

10.39
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623420092
Dimensions14.20 × 14.16 × 8.42 mm
L/W Ratio1.00
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
14.20 mm14.16 mm10.39 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623420092
Side View
Table 58.0%Crown 32.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.4%

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: $16,792 SGD|Low: $2,537 SGD|High: $16,792 SGD|Avg: $4,654 SGD
Brilliant Earth
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 13$2,643 SGD
Retailer 9$2,736 SGD
Retailer 12$2,875 SGD
Retailer 5$2,959 SGD
Retailer 8$3,066 SGD
Retailer 14$3,066 SGD
Retailer 4$3,280 SGD
Retailer 7$3,697 SGD
Retailer 11$4,167 SGD
Retailer 16$4,214 SGD
Retailer 2$4,538 SGD
Retailer 3$4,793 SGD
Retailer 10$4,869 SGD
Retailer 6$8,719 SGD
Retailer 15$9,633 SGD
Brilliant Earth$16,792 SGD

42 data points across 16 retailers

18 retailers$2,643 SGD to $16,792 SGD

A
Cheapest Retailer
-
$2,643 SGD
$2,067 USD
A
Retailer 2
-
$2,736 SGD
£1,684 GBP
View
A
Retailer 3
-
$2,875 SGD
$2,248 USD
View
A
Retailer 4
-
$2,959 SGD
$2,314 USD
View
Final sale: no returns
Retailer 5
-
$3,066 SGD
$2,397 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
$3,066 SGD
$2,397 USD
View
A
Retailer 7
-
$3,280 SGD
$2,565 USD
View
A
Retailer 8
-
$3,697 SGD
$2,891 USD
View
B+
Retailer 9
-
$4,167 SGD
£2,566 GBP
View
B+
Retailer 10
-
$4,214 SGD
$3,295 USD
View
B+
Retailer 11
-
$4,538 SGD
$3,548 USD
View
B+
Retailer 12
-
$4,793 SGD
$3,748 USD
View
B+
Retailer 13
-
$4,869 SGD
€3,626 EUR
View
Retailer 14
-
$7,967 SGD
$6,229 USD
View
Price last confirmed 40 days ago
B
Retailer 15
-
$8,719 SGD
$6,817 USD
View
B
Retailer 16
-
$9,633 SGD
$7,532 USD
View
B
Retailer 17
-
$10,724 SGD
$8,385 USD
View
Most Expensive
B
Brilliant Earth
20602535A · Nov 2
$16,792 SGD
$13,130 USD
View
17 more retailers have this diamond
Prices start from $2,643 SGDSave up to $14,148 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
10.39ct Round
$2,643 SGD