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Round|Lab Grown|IGI

1.20ct J VS2 Round Lab Grown Diamond

ID • J/VS2 • IGI LG400912172

Shape and cutting style on the report: Round brilliant

Certificate IGI LG400912172

Diamond specifications and retailer prices

From $1,207 NZD
$680 USD
As of October 30, 2026
Save $6,928 NZD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,135 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG400912172 or 400912172. Listed at 12 retailers as of October 29, 2026, with prices from $1,207 to $8,135, a $6,928 spread on the same certified stone. MOH London lists it at $8,135. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
J
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG400912172
Dimensions6.90 × 6.86 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.90 mm6.86 mm1.20 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG400912172
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.3%

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 30
Current: $8,135 NZD|Low: $1,207 NZD|High: $8,198 NZD|Avg: $3,718 NZD|+0.6%
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
October 31, 2026
Retailer 6$1,207 NZD
Retailer 7$2,170 NZD
Retailer 11$2,431 NZD
Retailer 8$2,518 NZD
Retailer 10$2,518 NZD
Retailer 12$2,821 NZD
Retailer 4$2,915 NZD
Retailer 13$3,531 NZD
Retailer 9$3,994 NZD
Retailer 2$4,298 NZD
Retailer 3$4,824 NZD
Retailer 5$5,635 NZD
MOH London$8,135 NZD

22 data points across 13 retailers

12 retailers$1,207 NZD to $8,135 NZD

A
Cheapest Retailer
-
$1,207 NZD
$680 USD
B+
Retailer 2
-
$2,170 NZD
$1,223 USD
View
B+
Retailer 3
-
$2,362 NZD
$1,331 USD
View
B+
Retailer 4
-
$2,431 NZD
$1,370 USD
View
Final sale: no returns
Retailer 5
-
$2,518 NZD
$1,419 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,518 NZD
$1,419 USD
View
B+
Retailer 7
-
$2,821 NZD
$1,590 USD
View
B
Retailer 8
-
$3,994 NZD
$2,251 USD
View
B
Retailer 9
-
$4,298 NZD
€2,307 EUR
View
B
Retailer 10
-
$4,720 NZD
$2,660 USD
View
B
Retailer 11
-
$4,824 NZD
$2,719 USD
View
Most Expensive
B
MOH London
LG400912172 · Oct 29
$8,135 NZD
£3,610 GBP
View
11 more retailers have this diamond
Prices start from $1,207 NZDSave up to $6,928 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
1.20ct Round
$1,207 NZD