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Oval|Lab Grown|IGI

10.51ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG598338536

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG598338536

Diamond specifications and retailer prices

From $1,890 USD
£1,488 GBP
As of October 27, 2026
Save $13,270 USD (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $15,160 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.51ct lab-grown oval diamond

This 10.51ct 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 LG598338536 or 598338536. Listed at 11 retailers as of October 27, 2026, with prices from $1,890 to $15,160, a $13,270 spread on the same certified stone. Brilliant Earth lists it at $15,160. 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

10.51
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598338536
Dimensions17.56 × 12.40 × 7.79 mm
L/W Ratio1.42
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
17.56 mm12.40 mm10.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598338536
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
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: $16,450 USD|Low: $1,890 USD|High: $20,102 USD|Avg: $8,051 USD
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 13$1,890 USD
Retailer 9$2,397 USD
Retailer 14$3,020 USD
Retailer 6$3,085 USD
Retailer 5$3,556 USD
Retailer 2$3,612 USD
Retailer 10$3,636 USD
Retailer 4$4,079 USD
Retailer 3$5,303 USD
Retailer 15$5,959 USD
Retailer 11$9,241 USD
Retailer 16$10,174 USD
Retailer 12$11,350 USD
Retailer 7$14,986 USD
Brilliant Earth$16,450 USD
Retailer 8$20,102 USD

11 data points across 16 retailers

11 retailers$1,890 USD to $15,160 USD

A
Cheapest Retailer
-
$1,890 USD
£1,488 GBP
A
Retailer 2
-
$2,397 USD
View
B+
Retailer 3
-
$3,020 USD
View
B
Retailer 4
-
$3,612 USD
£2,844 GBP
View
B+
Retailer 5
-
$3,636 USD
View
B
Retailer 6
-
$5,303 USD
View
B
Retailer 7
-
$5,959 USD
View
B
Retailer 8
-
$9,241 USD
View
B
Retailer 9
-
$10,174 USD
View
B
Retailer 10
-
$11,350 USD
View
Most Expensive
B
Brilliant Earth
22301488A · Oct 31
$15,160 USD
View
10 more retailers have this diamond
Prices start from $1,890 USDSave up to $13,270 USD

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
10.51ct Oval
$1,890 USD