Round|Lab Grown|IGI

3.51ct G VVS2 Round Lab Grown Diamond

ID • G/VVS2 • IGI LG731575975

Shape and cutting style on the report: Round brilliant

Certificate IGI LG731575975

Diamond specifications and retailer prices

From $820 NZD
$462 USD
As of October 29, 2026
Save $2,988 NZD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,808 NZD at Brilliance · As of October 30, 2026
View at Brilliance

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 LG731575975 or 731575975. Listed at 17 retailers as of October 29, 2026, with prices from $820 to $3,808, a $2,988 spread on the same certified stone. Brilliance lists it at $3,808. 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
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731575975
Dimensions9.72 × 9.68 × 5.99 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
9.72 mm9.68 mm3.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731575975
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,808 NZD|Low: $788 NZD|High: $4,131 NZD|Avg: $2,138 NZD|-7.8%
Brilliance
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
October 31, 2026
Retailer 6$820 NZD
Retailer 14$919 NZD
Retailer 2$1,017 NZD
Retailer 10$1,269 NZD
Retailer 16$1,577 NZD
Retailer 3$1,592 NZD
Retailer 11$1,681 NZD
Retailer 9$1,703 NZD
Retailer 5$2,174 NZD
Retailer 8$2,234 NZD
Retailer 13$2,237 NZD
Retailer 15$2,736 NZD
Retailer 12$3,270 NZD
Retailer 4$3,325 NZD
Retailer 7$3,801 NZD
Brilliance$3,808 NZD

41 data points across 16 retailers

17 retailers$820 NZD to $3,808 NZD

A
Cheapest Retailer
-
$820 NZD
$462 USD
A
Retailer 2
-
$919 NZD
$518 USD
View
Retailer 3
-
$1,017 NZD
$573 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$1,017 NZD
$573 USD
View
A
Retailer 5
-
$1,269 NZD
$715 USD
View
A
Retailer 6
-
$1,577 NZD
$889 USD
View
B+
Retailer 7
-
$1,592 NZD
$897 USD
View
A
Retailer 8
-
$1,681 NZD
£746 GBP
View
A
Retailer 9
-
$1,703 NZD
€914 EUR
View
B+
Retailer 10
-
$2,174 NZD
A$1,885 AUD
View
A
Retailer 11
-
$2,234 NZD
ZAR 20,341 ZAR
View
B+
Retailer 12
-
$2,237 NZD
$1,261 USD
View
B+
Retailer 13
-
$2,736 NZD
$1,542 USD
View
B+
Retailer 14
-
$3,270 NZD
$1,843 USD
View
B+
Retailer 15
-
$3,325 NZD
$1,874 USD
View
B
Retailer 16
-
$3,801 NZD
£1,687 GBP
View
Most Expensive
B
Brilliance
D35087449 · Oct 30
$3,808 NZD
$2,146 USD
View
16 more retailers have this diamond
Prices start from $820 NZDSave up to $2,988 NZD

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
$820 NZD