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Radiant|Lab Grown|IGI

1.52ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG538275664

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG538275664

Diamond specifications and retailer prices

From $2,273 NZD
As of November 6, 2026
Save $3,518 NZD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,139 NZD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.52ct lab-grown radiant diamond

This 1.52ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538275664 or 538275664. Listed at 12 retailers as of November 4, 2026, with a 155% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.52
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538275664
Dimensions8.10 × 5.57 × 3.84 mm
L/W Ratio1.45
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
8.10 mm5.57 mm1.52 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538275664
Side View
Table 67.5%Crown 45.9°Girdle: MED-STKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,593 NZD|Low: $2,273 NZD|High: $9,476 NZD|Avg: $4,423 NZD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$2,273 NZD
Retailer 4$2,823 NZD
Retailer 8$3,162 NZD
Retailer 6$3,274 NZD
Retailer 9$3,581 NZD
Retailer 1$4,593 NZD
Retailer 7$5,154 NZD
Retailer 3$5,791 NZD
Retailer 2$9,328 NZD

44 data points across 9 retailers

12 retailers$2,273 NZD to $5,791 NZD

B
Cheapest Retailer
-
$2,273 NZD
B
Retailer 2
-
$2,823 NZD
View
B
Retailer 3
-
$3,072 NZD
View
B
Retailer 4
-
$3,162 NZD
View
Final sale: no returns
Retailer 5
-
$3,274 NZD
View
Price last confirmed 26 days ago
B
Retailer 6
-
$3,274 NZD
View
B
Retailer 7
-
$3,581 NZD
View
B
Retailer 8
-
$4,593 NZD
View
B
Retailer 9
-
$5,154 NZD
View
B
Retailer 10
-
$5,791 NZD
View
Most Expensive
NZ Jewellers
273f059d-f1f1-4641-ba6c-7886a0bd2650 · Nov 6
$6,139 NZD
$3,403 USD
View
Price under review
10 more retailers have this diamond
Prices start from $2,273 NZDSave up to $3,518 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
1.52ct Radiant
$2,273 NZD