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Radiant|Lab Grown|IGI

3.15ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG570375575

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG570375575

Diamond specifications and retailer prices

From $358 USD
As of October 30, 2026
Save $1,374 USD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,732 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3.15ct lab-grown radiant diamond

This 3.15ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG570375575 or 570375575. Listed at 17 retailers as of October 30, 2026, with prices from $358 to $1,732, a $1,374 spread on the same certified stone. MOH London lists it at $1,732. 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

3.15
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570375575
Dimensions9.74 × 7.53 × 4.82 mm
L/W Ratio1.29
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
9.74 mm7.53 mm3.15 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570375575
Side View
Table 64.0%Crown 40.2°Girdle: MediumPavilion 31.4°Culet: NoneDepth 64.0%

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 30
Current: $1,732 USD|Low: $310 USD|High: $1,817 USD|Avg: $878 USD|-1.2%
MOH London
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
Retailer 17
November 1, 2026
Retailer 12$358 USD
Retailer 5$400 USD
Retailer 16$415 USD
Retailer 13$443 USD
Retailer 17$443 USD
Retailer 9$486 USD
Retailer 2$501 USD
Retailer 11$595 USD
Retailer 10$685 USD
Retailer 4$711 USD
Retailer 6$763 USD
Retailer 8$1,065 USD
Retailer 15$1,300 USD
Retailer 14$1,425 USD
Retailer 3$1,674 USD
Retailer 7$1,722 USD
MOH London$1,732 USD

43 data points across 17 retailers

17 retailers$358 USD to $1,732 USD

A
Cheapest Retailer
-
$358 USD
A
Retailer 2
-
$400 USD
View
Final sale: no returns
A
Retailer 3
-
$415 USD
View
A
Retailer 4
-
$443 USD
View
Retailer 5
-
$443 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$486 USD
HK$3,800 HKD
View
A
Retailer 7
-
$501 USD
£394 GBP
View
A
Retailer 8
-
$595 USD
View
A
Retailer 9
-
$685 USD
€652 EUR
View
B+
Retailer 10
-
$711 USD
View
A
Retailer 11
-
$763 USD
View
A
Retailer 12
-
$1,065 USD
View
B+
Retailer 13
-
$1,300 USD
View
B+
Retailer 14
-
$1,425 USD
View
B+
Retailer 15
-
$1,674 USD
View
B+
Retailer 16
-
$1,722 USD
£1,356 GBP
View
Most Expensive
B+
MOH London
LG570375575 · Nov 1
$1,732 USD
£1,364 GBP
View
16 more retailers have this diamond
Prices start from $358 USDSave up to $1,374 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
3.15ct Radiant
$358 USD