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Oval|Lab Grown|IGI

10.40ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG549220745

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG549220745

Diamond specifications and retailer prices

From $2,392 SGD
£1,473 GBP
As of October 27, 2026
Save $16,784 SGD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $19,176 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.4ct lab-grown oval diamond

This 10.4ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG549220745 or 549220745. Listed at 12 retailers as of October 27, 2026, with prices from $2,392 to $19,176, a $16,784 spread on the same certified stone. Brilliant Earth lists it at $19,176. 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

10.40
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG549220745
Dimensions17.79 × 12.25 × 7.72 mm
L/W Ratio1.45
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
17.79 mm12.25 mm10.40 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG549220745
Side View
Table 61.5%Crown 35.1°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.0%

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: Oct 27
Current: $20,812 SGD|Low: $2,392 SGD|High: $20,812 SGD|Avg: $8,884 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 1, 2026
Retailer 14$2,392 SGD
Retailer 10$3,032 SGD
Retailer 15$3,820 SGD
Retailer 7$3,911 SGD
Retailer 6$4,500 SGD
Retailer 9$4,570 SGD
Retailer 11$4,601 SGD
Retailer 5$5,161 SGD
Retailer 4$6,713 SGD
Retailer 2$7,114 SGD
Retailer 16$7,465 SGD
Retailer 12$11,693 SGD
Retailer 3$12,870 SGD
Retailer 13$14,356 SGD
Retailer 8$18,957 SGD
Brilliant Earth$20,812 SGD

11 data points across 16 retailers

12 retailers$2,392 SGD to $19,176 SGD

A
Cheapest Retailer
-
$2,392 SGD
£1,473 GBP
A
Retailer 2
-
$3,032 SGD
$2,372 USD
View
B+
Retailer 3
-
$3,820 SGD
$2,988 USD
View
B
Retailer 4
-
$4,570 SGD
£2,815 GBP
View
B+
Retailer 5
-
$4,601 SGD
$3,599 USD
View
B
Retailer 6
-
$6,713 SGD
$5,251 USD
View
B
Retailer 7
-
$7,114 SGD
$5,565 USD
View
B
Retailer 8
-
$7,465 SGD
$5,839 USD
View
B
Retailer 9
-
$11,693 SGD
$9,147 USD
View
B
Retailer 10
-
$12,870 SGD
$10,067 USD
View
B
Retailer 11
-
$14,356 SGD
$11,230 USD
View
Most Expensive
B
Brilliant Earth
22300764A · Oct 31
$19,176 SGD
$15,000 USD
View
11 more retailers have this diamond
Prices start from $2,392 SGDSave up to $16,784 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
10.40ct Oval
$2,392 SGD