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Round|Lab Grown|IGI

3.51ct G VVS2 Round Lab Grown Diamond

EX • G/VVS2 • IGI LG804640918

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804640918

Diamond specifications and retailer prices

From $446 USD
As of October 29, 2026
Save $3,094 USD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,540 USD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG804640918 or 804640918. Listed at 19 retailers as of October 27, 2026, with prices from $446 to $3,540, a $3,094 spread on the same certified stone. Brilliant Earth lists it at $3,540. 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

3.51
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804640918
Dimensions9.84 × 9.78 × 5.91 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.84 mm9.78 mm3.51 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804640918
Side View
Table 61.0%Crown 33.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.2%

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 29
Current: $3,540 USD|Low: $553 USD|High: $4,140 USD|Avg: $1,426 USD|-14.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3$553 USD
Retailer 10$868 USD
Retailer 6$870 USD
Retailer 2$912 USD
Retailer 11$946 USD
Retailer 4$1,169 USD
Retailer 5$1,201 USD
Retailer 8$1,488 USD
Retailer 7$2,036 USD
Retailer 9$2,071 USD
Brilliant Earth$3,540 USD

41 data points across 11 retailers

19 retailers$446 USD to $3,540 USD

Retailer 1
-
$446 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$446 USD
View
Retailer 3
-
$546 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$553 USD
View
A
Retailer 5
-
$553 USD
View
B+
Retailer 6
-
$868 USD
View
A
Retailer 7
-
$870 USD
View
A
Retailer 8
-
$912 USD
£718 GBP
View
A
Retailer 9
-
$946 USD
View
A
Retailer 10
-
$1,169 USD
A$1,798 AUD
View
A
Retailer 11
-
$1,201 USD
ZAR 19,407 ZAR
View
B+
Retailer 12
-
$1,255 USD
View
B+
Retailer 13
-
$1,488 USD
View
Retailer 14
-
$1,779 USD
View
Price last confirmed 39 days ago
B+
Retailer 15
-
$1,779 USD
View
B+
Retailer 16
-
$1,812 USD
View
B+
Retailer 17
-
$2,036 USD
£1,603 GBP
View
B+
Retailer 18
-
$2,071 USD
View
Most Expensive
B
Brilliant Earth
21393711A · Oct 27
$3,540 USD
View
18 more retailers have this diamond
Prices start from $446 USDSave up to $3,094 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
3.51ct Round
$446 USD