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Round|Lab Grown|IGI

3.10ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG508123815

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508123815

Diamond specifications and retailer prices

From $1,261 NZD
As of November 5, 2026
Save $4,486 NZD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,747 NZD at MOH London · As of November 3, 2026
View at MOH London

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508123815 or 508123815. Listed at 15 retailers as of November 3, 2026, with prices from $1,261 to $5,747, a $4,486 spread on the same certified stone. MOH London lists it at $5,747. 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

3.10
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508123815
Dimensions9.43 × 9.37 × 5.73 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.43 mm9.37 mm3.10 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508123815
Side View
Table 58.5%Crown 33.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.0%

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: Nov 5
Current: $5,747 NZD|Low: $1,261 NZD|High: $5,817 NZD|Avg: $3,003 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 8$1,261 NZD
Retailer 11$1,412 NZD
Retailer 5$1,779 NZD
Retailer 10$2,003 NZD
Retailer 12$2,217 NZD
Retailer 9$2,375 NZD
Retailer 6$2,811 NZD
Retailer 4$3,277 NZD
Retailer 2$3,401 NZD
Retailer 7$3,604 NZD
Retailer 3$5,045 NZD
MOH London$5,747 NZD

23 data points across 12 retailers

15 retailers$1,261 NZD to $5,747 NZD

A
Cheapest Retailer
-
$1,261 NZD
A
Retailer 2
-
$1,373 NZD
View
A
Retailer 3
-
$1,412 NZD
View
Final sale: no returns
Retailer 4
-
$1,464 NZD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$1,464 NZD
View
A
Retailer 6
-
$1,779 NZD
View
B+
Retailer 7
-
$2,003 NZD
View
B+
Retailer 8
-
$2,217 NZD
View
B+
Retailer 9
-
$2,375 NZD
View
Retailer 10
-
$2,811 NZD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$3,401 NZD
View
B
Retailer 12
-
$3,604 NZD
View
B
Retailer 13
-
$4,115 NZD
View
B
Retailer 14
-
$5,045 NZD
View
Most Expensive
B
MOH London
LG508123815 · Nov 3
$5,747 NZD
£2,544 GBP
View
14 more retailers have this diamond
Prices start from $1,261 NZDSave up to $4,486 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
3.10ct Round
$1,261 NZD