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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 $2,697 AUD
£1,488 GBP
As of October 27, 2026
Save $18,934 AUD (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $21,632 AUD 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 $2,697 to $21,632, a $18,934 spread on the same certified stone. Brilliant Earth lists it at $21,632. 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
Colour
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: $23,473 AUD|Low: $2,697 AUD|High: $28,683 AUD|Avg: $11,487 AUD
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$2,697 AUD
Retailer 9$3,420 AUD
Retailer 14$4,309 AUD
Retailer 6$4,402 AUD
Retailer 5$5,074 AUD
Retailer 2$5,154 AUD
Retailer 10$5,188 AUD
Retailer 4$5,821 AUD
Retailer 3$7,567 AUD
Retailer 15$8,503 AUD
Retailer 11$13,186 AUD
Retailer 16$14,517 AUD
Retailer 12$16,195 AUD
Retailer 7$21,383 AUD
Brilliant Earth$23,473 AUD
Retailer 8$28,683 AUD

11 data points across 16 retailers

11 retailers$2,697 AUD to $21,632 AUD

A
Cheapest Retailer
-
$2,697 AUD
£1,488 GBP
A
Retailer 2
-
$3,420 AUD
$2,397 USD
View
B+
Retailer 3
-
$4,309 AUD
$3,020 USD
View
B
Retailer 4
-
$5,154 AUD
£2,844 GBP
View
B+
Retailer 5
-
$5,188 AUD
$3,636 USD
View
B
Retailer 6
-
$7,567 AUD
$5,303 USD
View
B
Retailer 7
-
$8,503 AUD
$5,959 USD
View
B
Retailer 8
-
$13,186 AUD
$9,241 USD
View
B
Retailer 9
-
$14,517 AUD
$10,174 USD
View
B
Retailer 10
-
$16,195 AUD
$11,350 USD
View
Most Expensive
B
Brilliant Earth
22301488A · Oct 31
$21,632 AUD
$15,160 USD
View
10 more retailers have this diamond
Prices start from $2,697 AUDSave up to $18,934 AUD

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
$2,697 AUD