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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

GD • D/VS1 • IGI LG846667340

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

Certificate IGI LG846667340

Diamond specifications and retailer prices

From HK$1,397 HKD
$178 USD
As of October 30, 2026
Save HK$7,409 HKD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$8,805 HKD at Reve Diamonds · As of October 30, 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 standard cut grade and certified by IGI LG846667340 or 846667340. Listed at 18 retailers as of October 30, 2026, with prices from HK$1,397 to HK$8,805, a HK$7,409 spread on the same certified stone. Reve Diamonds lists it at HK$8,805. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
D
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846667340
Dimensions7.71 × 4.98 × 3.46 mm
L/W Ratio1.55
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm4.98 mm1.21 ctD / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846667340
Side View
Table 65.0%Crown 39.6°Girdle: MediumPavilion 32.1°Culet: NoneDepth 69.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$3,065 HKD|Low: HK$1,397 HKD|High: HK$8,805 HKD|Avg: HK$3,824 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
Retailer 17
Reve Diamonds
October 31, 2026
Retailer 13HK$1,397 HKD
Retailer 3HK$1,561 HKD
Retailer 8HK$1,616 HKD
Retailer 5HK$1,726 HKD
Retailer 17HK$1,726 HKD
Retailer 10HK$2,315 HKD
Retailer 2HK$2,393 HKD
Retailer 12HK$2,968 HKD
Retailer 1HK$3,065 HKD
Retailer 11HK$3,105 HKD
Retailer 16HK$3,594 HKD
Retailer 7HK$3,672 HKD
Retailer 14HK$4,218 HKD
Retailer 4HK$5,555 HKD
Retailer 15HK$5,869 HKD
Retailer 9HK$5,982 HKD
Retailer 6HK$8,091 HKD
Reve DiamondsHK$8,805 HKD

8 data points across 18 retailers

18 retailersHK$1,397 HKD to HK$8,805 HKD

A
Cheapest Retailer
-
HK$1,397 HKD
$178 USD
A
Retailer 2
-
HK$1,561 HKD
$199 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,616 HKD
$206 USD
View
Retailer 4
-
HK$1,726 HKD
$220 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
HK$1,726 HKD
$220 USD
View
A
Retailer 6
-
HK$2,315 HKD
£232 GBP
View
B+
Retailer 7
-
HK$2,393 HKD
$305 USD
View
B+
Retailer 8
-
HK$2,968 HKD
ZAR 6,111 ZAR
View
B+
Retailer 9
-
HK$3,065 HKD
€372 EUR
View
B+
Retailer 10
-
HK$3,105 HKD
£312 GBP
View
B+
Retailer 11
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HK$3,594 HKD
$458 USD
View
B+
Retailer 12
-
HK$3,672 HKD
$468 USD
View
B+
Retailer 13
-
HK$4,218 HKD
A$827 AUD
View
B
Retailer 14
-
HK$5,555 HKD
$708 USD
View
B
Retailer 15
-
HK$5,869 HKD
$748 USD
View
B
Retailer 16
-
HK$5,982 HKD
$762 USD
View
B
Retailer 17
-
HK$8,091 HKD
£812 GBP
View
Most Expensive
B
Reve Diamonds
36A11B55A · Oct 30
HK$8,805 HKD
$1,122 USD
View
17 more retailers have this diamond
Prices start from HK$1,397 HKDSave up to HK$7,409 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$1,397 HKD