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Round|Lab Grown|IGI

15.30ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG791654443

Shape and cutting style on the report: Round brilliant

Certificate IGI LG791654443

Diamond specifications and retailer prices

From $4,077 USD
As of October 29, 2026
Save $20,773 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $24,850 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15.3ct lab-grown round diamond

This 15.3ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791654443 or 791654443. Listed at 18 retailers as of October 29, 2026, with prices from $4,077 to $24,850, a $20,773 spread on the same certified stone. Brilliant Earth lists it at $24,850. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

15.30
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791654443
Dimensions16.24 × 16.19 × 9.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.24 mm16.19 mm15.30 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791654443
Side View
Table 60.0%Crown 33.6°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 59.3%

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 29
Current: $24,850 USD|Low: $3,755 USD|High: $25,620 USD|Avg: $9,414 USD|-3.0%
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$4,077 USD
Retailer 11$4,273 USD
Retailer 8$4,356 USD
Retailer 5$4,730 USD
Retailer 10$4,730 USD
Retailer 3$4,935 USD
Retailer 6$5,100 USD
Retailer 12$5,760 USD
Retailer 4$5,910 USD
Retailer 2$6,190 USD
Retailer 7$6,868 USD
Retailer 9$7,653 USD
Retailer 14$13,395 USD
Retailer 15$16,801 USD
Retailer 16$23,627 USD
Brilliant Earth$24,850 USD

38 data points across 16 retailers

18 retailers$4,077 USD to $24,850 USD

A
Cheapest Retailer
-
$4,077 USD
A
Retailer 2
-
$4,273 USD
View
Retailer 3
-
$4,356 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
$4,730 USD
View
A
Retailer 5
-
$4,730 USD
View
A
Retailer 6
-
$4,935 USD
View
A
Retailer 7
-
$5,100 USD
View
Final sale: no returns
A
Retailer 8
-
$5,760 USD
View
A
Retailer 9
-
$5,910 USD
View
A
Retailer 10
-
$6,190 USD
£4,874 GBP
View
A
Retailer 11
-
$6,868 USD
View
B+
Retailer 12
-
$7,653 USD
€7,289 EUR
View
Retailer 13
-
$8,451 USD
View
Price last confirmed 46 days ago
Retailer 14
-
$8,583 USD
View
Price last confirmed 97 days ago
B
Retailer 15
-
$13,395 USD
View
B
Retailer 16
-
$16,801 USD
View
B
Retailer 17
-
$23,627 USD
View
Most Expensive
B
Brilliant Earth
18785492A · Oct 31
$24,850 USD
View
17 more retailers have this diamond
Prices start from $4,077 USDSave up to $20,773 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
15.30ct Round
$4,077 USD