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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG836604372

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

Certificate IGI LG836604372

Diamond specifications and retailer prices

From HK$2,024 HKD
$258 USD
As of November 1, 2026
Save HK$8,112 HKD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$10,136 HKD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836604372 or 836604372. Listed at 16 retailers as of November 1, 2026, with prices from HK$2,024 to HK$10,136, a HK$8,112 spread on the same certified stone. Reve Diamonds lists it at HK$10,136. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836604372
Dimensions5.89 × 5.72 × 3.98 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.89 mm5.72 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836604372
Side View
Table 67.0%Crown 41.9°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 69.6%

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: HK$3,877 HKD|Low: HK$2,024 HKD|High: HK$10,136 HKD|Avg: HK$5,505 HKD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
November 1, 2026
Retailer 6HK$2,024 HKD
Retailer 14HK$2,244 HKD
Retailer 9HK$2,999 HKD
Retailer 15HK$3,021 HKD
Retailer 10HK$3,748 HKD
Retailer 1HK$3,877 HKD
Retailer 5HK$3,954 HKD
Retailer 3HK$4,127 HKD
Retailer 12HK$5,767 HKD
Retailer 13HK$5,892 HKD
Retailer 2HK$7,252 HKD
Retailer 4HK$7,619 HKD
Retailer 7HK$7,629 HKD
Retailer 8HK$8,998 HKD
Retailer 11HK$9,258 HKD
Reve DiamondsHK$10,136 HKD

34 data points across 16 retailers

16 retailersHK$2,024 HKD to HK$10,136 HKD

A
Cheapest Retailer
-
HK$2,024 HKD
$258 USD
Final sale: no returns
Retailer 2
-
HK$2,244 HKD
$286 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
HK$2,999 HKD
£301 GBP
View
A
Retailer 4
-
HK$3,021 HKD
$385 USD
View
A
Retailer 5
-
HK$3,748 HKD
€455 EUR
View
A
Retailer 6
-
HK$3,877 HKD
ZAR 7,982 ZAR
View
B+
Retailer 7
-
HK$3,954 HKD
$504 USD
View
B+
Retailer 8
-
HK$4,127 HKD
$526 USD
View
Retailer 9
-
HK$5,767 HKD
$735 USD
View
Price last confirmed 15 days ago
B
Retailer 10
-
HK$5,892 HKD
$751 USD
View
B
Retailer 11
-
HK$7,252 HKD
SGD 1,249 SGD
View
B
Retailer 12
-
HK$7,629 HKD
$972 USD
View
B
Retailer 13
-
HK$7,775 HKD
$991 USD
View
B
Retailer 14
-
HK$8,998 HKD
£903 GBP
View
B
Retailer 15
-
HK$9,258 HKD
$1,180 USD
View
Most Expensive
B
Reve Diamonds
006CAE70F · Nov 1
HK$10,136 HKD
$1,292 USD
View
15 more retailers have this diamond
Prices start from HK$2,024 HKDSave up to HK$8,112 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.

A
1.21ct Radiant
HK$2,024 HKD