CaratHunter
Plans
Cushion|Lab Grown|IGI

1.21ct I VVS2 Cushion Lab Grown Diamond

ID • I/VVS2 • IGI LG837623718

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG837623718

Diamond specifications and retailer prices

From $1,157 NZD
As of November 4, 2026
Save $2,633 NZD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,869 NZD at MOH London · As of November 3, 2026
View at MOH London

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837623718 or 837623718. Listed at 11 retailers as of November 4, 2026, with a 228% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
I
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837623718
Dimensions7.81 × 5.79 × 3.72 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.79 mm1.21 ctI / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837623718
Side View
Table 53.0%Crown 34.4°Girdle: STK-THKPavilion 36.8°Culet: LargeDepth 64.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,869 NZD|Low: $960 NZD|High: $5,567 NZD|Avg: $2,285 NZD|+24.1%
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 4, 2026
Retailer 4$960 NZD
Retailer 11$1,066 NZD
Retailer 12$1,126 NZD
Retailer 10$1,157 NZD
Retailer 7$1,410 NZD
Retailer 9$1,428 NZD
Retailer 2$1,623 NZD
Retailer 5$2,012 NZD
Retailer 3$3,383 NZD
Retailer 8$3,406 NZD
Retailer 6$3,789 NZD
MOH London$4,869 NZD

32 data points across 12 retailers

11 retailers$1,157 NZD to $3,789 NZD

Retailer 1
-
$960 NZD
Price last confirmed 13 days ago
Retailer 2
-
$1,126 NZD
View
Price last confirmed 42 days ago
B+
Retailer 3
-
$1,157 NZD
View
B+
Retailer 4
-
$1,410 NZD
View
B+
Retailer 5
-
$1,428 NZD
View
B+
Retailer 6
-
$1,623 NZD
View
B
Retailer 7
-
$2,012 NZD
View
B
Retailer 8
-
$3,383 NZD
View
B
Retailer 9
-
$3,406 NZD
View
B
Retailer 10
-
$3,789 NZD
View
Most Expensive
MOH London
LG837623718 · Nov 3
$4,869 NZD
£2,161 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $1,157 NZDSave up to $2,633 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.

B+
1.21ct Cushion
$1,157 NZD