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Round|Lab Grown|IGI

15.02ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG582363867

Shape and cutting style on the report: Round brilliant

Certificate IGI LG582363867

Diamond specifications and retailer prices

From $6,148 USD
£4,841 GBP
As of November 2, 2026
Save $14,921 USD (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $27,340 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 15.02ct lab-grown round diamond

This 15.02ct lab-grown round 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 LG582363867 or 582363867. Listed at 8 retailers as of October 29, 2026, with a 243% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

15.02
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582363867
Dimensions15.68 × 15.77 × 9.66 mm
L/W Ratio1.01
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
15.68 mm15.77 mm15.02 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582363867
Side View
Table 61.0%Crown 33.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $27,340 USD|Low: $5,956 USD|High: $42,979 USD|Avg: $21,509 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3$6,148 USD
Retailer 7$7,368 USD
Retailer 4$8,875 USD
Retailer 2$8,949 USD
Retailer 8$21,069 USD
Retailer 5$21,510 USD
Retailer 6$25,700 USD
Brilliant Earth$27,340 USD
Retailer 10$30,464 USD
Retailer 9$42,979 USD

36 data points across 10 retailers

8 retailers$6,148 USD to $21,069 USD

B+
Cheapest Retailer
-
$6,148 USD
£4,841 GBP
B
Retailer 2
-
$8,875 USD
View
B
Retailer 3
-
$8,949 USD
View
B
Retailer 4
-
$21,069 USD
View
Retailer 5
-
$21,510 USD
View
Price under review
Retailer 6
-
$25,700 USD
£20,236 GBP
View
Price under review
Most Expensive
Brilliant Earth
16422706A · Nov 2
$27,340 USD
View
Price under review
6 more retailers have this diamond
Prices start from $6,148 USDSave up to $14,921 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.

B+
15.02ct Round
$6,148 USD