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Round|Lab Grown|IGI

15.49ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG731504980

Shape and cutting style on the report: Round brilliant

Certificate IGI LG731504980

Diamond specifications and retailer prices

From $7,959 USD
As of October 31, 2026
Save $22,351 USD (74%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $30,310 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15.49ct lab-grown round diamond

This 15.49ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG731504980 or 731504980. Listed at 18 retailers as of October 31, 2026, with prices from $7,959 to $30,310, a $22,351 spread on the same certified stone. Brilliant Earth lists it at $30,310. 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

15.49
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731504980
Dimensions16.20 × 16.14 × 9.65 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
16.20 mm16.14 mm15.49 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731504980
Side View
Table 61.0%Crown 33.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.7%

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: Oct 31
Current: $30,310 USD|Low: $7,106 USD|High: $31,560 USD|Avg: $14,633 USD|-4.0%
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
November 1, 2026
Retailer 4$7,106 USD
Retailer 13$7,391 USD
Retailer 7$7,959 USD
Retailer 5$8,243 USD
Retailer 12$8,848 USD
Retailer 11$9,130 USD
Retailer 6$9,786 USD
Retailer 2$10,195 USD
Retailer 9$12,330 USD
Retailer 8$15,649 USD
Retailer 10$15,752 USD
Retailer 14$16,208 USD
Retailer 3$21,612 USD
Retailer 15$28,194 USD
Brilliant Earth$30,310 USD

40 data points across 15 retailers

18 retailers$7,959 USD to $30,310 USD

Retailer 1
-
$7,106 USD
Price last confirmed 17 days ago
Retailer 2
-
$7,391 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$7,391 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$7,959 USD
View
Final sale: no returns
Retailer 5
-
$8,243 USD
View
Price last confirmed 15 days ago
B+
Retailer 6
-
$8,243 USD
View
B+
Retailer 7
-
$8,848 USD
View
B+
Retailer 8
-
$9,130 USD
View
Retailer 9
-
$9,786 USD
View
Price last confirmed 20 days ago
Retailer 10
-
$9,786 USD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
$10,195 USD
£8,028 GBP
View
B
Retailer 12
-
$12,330 USD
View
B
Retailer 13
-
$15,649 USD
€14,904 EUR
View
Retailer 14
-
$15,752 USD
A$24,234 AUD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$16,208 USD
View
B
Retailer 16
-
$21,612 USD
View
B
Retailer 17
-
$28,194 USD
View
Most Expensive
B
Brilliant Earth
15734720A · Oct 31
$30,310 USD
View
17 more retailers have this diamond
Prices start from $7,959 USDSave up to $22,351 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+
15.49ct Round
$7,959 USD