Radiant|Lab Grown|IGI

1.35ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG512227952

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

Certificate IGI LG512227952

Diamond specifications and retailer prices

From $740 USD
As of October 31, 2026
Save $1,454 USD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,683 USD at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 1.35ct lab-grown radiant diamond

This 1.35ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512227952 or 512227952. Listed at 12 retailers as of October 31, 2026, with a 196% 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

1.35
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512227952
Dimensions7.85 × 5.60 × 3.73 mm
L/W Ratio1.40
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
7.85 mm5.60 mm1.35 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512227952
Side View
Table 67.0%Crown 38.9°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 66.6%

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: Oct 31
Current: $2,683 USD|Low: $740 USD|High: $3,625 USD|Avg: $1,697 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5$740 USD
Retailer 8$823 USD
Retailer 11$895 USD
Retailer 9$954 USD
Retailer 3$1,130 USD
Retailer 4$1,476 USD
Retailer 10$1,537 USD
Retailer 2$1,754 USD
Retailer 7$2,194 USD
Retailer 12$2,637 USD
NZ Jewellers$2,683 USD
Retailer 6$3,597 USD

21 data points across 12 retailers

12 retailers$740 USD to $2,194 USD

B+
Cheapest Retailer
-
$740 USD
B+
Retailer 2
-
$823 USD
View
B
Retailer 3
-
$895 USD
View
B
Retailer 4
-
$954 USD
View
Retailer 5
-
$954 USD
View
Price last confirmed 14 days ago
B
Retailer 6
-
$1,130 USD
View
B
Retailer 7
-
$1,537 USD
View
B
Retailer 8
-
$1,754 USD
ZAR 28,339 ZAR
View
B
Retailer 9
-
$2,194 USD
View
Retailer 10
-
$2,637 USD
£2,076 GBP
View
Price under review
Most Expensive
NZ Jewellers
ce9dd9ed-d43a-4a9b-912a-746081bcdc76 · Nov 1
$2,683 USD
View
Price under review
10 more retailers have this diamond
Prices start from $740 USDSave up to $1,454 USD

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+
1.35ct Radiant
$740 USD