Cushion|Lab Grown|IGI

0.52ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG803660427

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG803660427

Diamond specifications and retailer prices

From $273 NZD
HK$1,200 HKD
As of November 1, 2026
Save $573 NZD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $846 NZD at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 0.52ct lab-grown cushion diamond

This 0.52ct lab-grown cushion sits in the half to three-quarter carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803660427 or 803660427. Listed at 11 retailers as of October 27, 2026, with prices from $273 to $846, a $573 spread on the same certified stone. Taylor and Hart lists it at $846. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.52
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803660427
Dimensions4.55 × 4.48 × 3.07 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.55 mm4.48 mm0.52 ctJ / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG803660427
Side View
Table 60.0%Crown 35.8°Girdle: THN-STKPavilion 34.2°Culet: NoneDepth 68.5%

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 1
Current: $417 NZD|Low: $273 NZD|High: $1,963 NZD|Avg: $636 NZD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 31, 2026
Retailer 3$273 NZD
Retailer 7$411 NZD
Retailer 1$417 NZD
Retailer 8$426 NZD
Retailer 4$444 NZD
Retailer 9$465 NZD
Retailer 10$479 NZD
Retailer 2$610 NZD
Retailer 11$641 NZD
Retailer 5$645 NZD
Taylor and Hart$846 NZD
Retailer 6$1,931 NZD

22 data points across 12 retailers

11 retailers$273 NZD to $846 NZD

A
Cheapest Retailer
-
$273 NZD
HK$1,200 HKD
Retailer 2
-
$411 NZD
ZAR 3,740 ZAR
View
Price last confirmed 10 days ago
A
Retailer 3
-
$417 NZD
€224 EUR
View
B+
Retailer 4
-
$426 NZD
$240 USD
View
B+
Retailer 5
-
$444 NZD
$250 USD
View
Retailer 6
-
$465 NZD
$262 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$479 NZD
$270 USD
View
Price last confirmed 18 days ago
B
Retailer 8
-
$641 NZD
$361 USD
View
B
Retailer 9
-
$645 NZD
SGD 491 SGD
View
Most Expensive
B
Taylor and Hart
DB3N9EO · Oct 27
$846 NZD
$477 USD
View
9 more retailers have this diamond
Prices start from $273 NZDSave up to $573 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
0.52ct Cushion
$273 NZD