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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 HK$5,806 HKD
As of November 4, 2026
Save HK$11,408 HKD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$21,050 HKD at NZ Jewellers · As of November 4, 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 November 4, 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
Colour
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: Nov 4
Current: HK$21,050 HKD|Low: HK$5,806 HKD|High: HK$28,433 HKD|Avg: HK$13,345 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 6HK$5,806 HKD
Retailer 8HK$6,457 HKD
Retailer 11HK$7,022 HKD
Retailer 9HK$7,485 HKD
Retailer 3HK$8,866 HKD
Retailer 4HK$11,580 HKD
Retailer 10HK$12,059 HKD
Retailer 5HK$13,754 HKD
Retailer 7HK$17,214 HKD
Retailer 12HK$20,682 HKD
NZ JewellersHK$21,050 HKD
Retailer 2HK$27,986 HKD

22 data points across 12 retailers

12 retailersHK$5,806 HKD to HK$17,214 HKD

B+
Cheapest Retailer
-
HK$5,806 HKD
B+
Retailer 2
-
HK$6,457 HKD
View
B+
Retailer 3
-
HK$7,022 HKD
View
B
Retailer 4
-
HK$7,485 HKD
View
Retailer 5
-
HK$7,485 HKD
View
Price last confirmed 19 days ago
B
Retailer 6
-
HK$8,866 HKD
View
B
Retailer 7
-
HK$12,059 HKD
View
B
Retailer 8
-
HK$13,754 HKD
View
B
Retailer 9
-
HK$17,214 HKD
View
Retailer 10
-
HK$20,682 HKD
View
Price under review
Most Expensive
NZ Jewellers
ce9dd9ed-d43a-4a9b-912a-746081bcdc76 · Nov 4
HK$21,050 HKD
$2,683 USD
View
Price under review
10 more retailers have this diamond
Prices start from HK$5,806 HKDSave up to HK$11,408 HKD

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
HK$5,806 HKD