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Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG835649621

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

Certificate IGI LG835649621

Diamond specifications and retailer prices

From HK$1,648 HKD
$210 USD
As of November 1, 2026
Save HK$12,083 HKD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$13,731 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG835649621 or 835649621. Listed at 18 retailers as of October 30, 2026, with prices from HK$1,648 to HK$13,731, a HK$12,083 spread on the same certified stone. Brilliant Earth lists it at HK$13,731. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835649621
Dimensions7.78 × 5.29 × 3.55 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.29 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835649621
Side View
Table 66.0%Crown 42°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.1%

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$13,731 HKD|Low: HK$1,459 HKD|High: HK$14,986 HKD|Avg: HK$5,749 HKD|+2.3%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
November 3, 2026
Retailer 8HK$1,648 HKD
Retailer 17HK$1,710 HKD
Retailer 13HK$2,084 HKD
Retailer 18HK$2,472 HKD
Retailer 15HK$3,153 HKD
Retailer 11HK$3,313 HKD
Retailer 12HK$3,361 HKD
Retailer 4HK$4,355 HKD
Retailer 14HK$4,452 HKD
Retailer 6HK$4,637 HKD
Retailer 3HK$5,892 HKD
Retailer 2HK$5,928 HKD
Retailer 5HK$6,128 HKD
Retailer 7HK$6,295 HKD
Retailer 10HK$7,349 HKD
Retailer 9HK$8,395 HKD
Retailer 16HK$8,540 HKD
Brilliant EarthHK$13,731 HKD

26 data points across 18 retailers

18 retailersHK$1,648 HKD to HK$13,731 HKD

A
Cheapest Retailer
-
HK$1,648 HKD
$210 USD
Final sale: no returns
A
Retailer 2
-
HK$1,710 HKD
$218 USD
View
A
Retailer 3
-
HK$2,084 HKD
£209 GBP
View
B+
Retailer 4
-
HK$2,472 HKD
$315 USD
View
A
Retailer 5
-
HK$3,153 HKD
ZAR 6,492 ZAR
View
A
Retailer 6
-
HK$3,313 HKD
£333 GBP
View
A
Retailer 7
-
HK$3,361 HKD
€408 EUR
View
A
Retailer 8
-
HK$4,355 HKD
$555 USD
View
A
Retailer 9
-
HK$4,452 HKD
A$873 AUD
View
A
Retailer 10
-
HK$4,637 HKD
$591 USD
View
B+
Retailer 11
-
HK$5,892 HKD
$751 USD
View
B+
Retailer 12
-
HK$5,928 HKD
SGD 1,021 SGD
View
B+
Retailer 13
-
HK$6,128 HKD
$781 USD
View
B+
Retailer 14
-
HK$6,295 HKD
$802 USD
View
Retailer 15
-
HK$7,349 HKD
A$1,441 AUD
View
Price last confirmed 29 days ago
Retailer 16
-
HK$8,395 HKD
$1,070 USD
View
Price last confirmed 15 days ago
B+
Retailer 17
-
HK$8,540 HKD
£857 GBP
View
Most Expensive
B
Brilliant Earth
21565343A · Oct 30
HK$13,731 HKD
$1,750 USD
View
17 more retailers have this diamond
Prices start from HK$1,648 HKDSave up to HK$12,083 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
1.23ct Radiant
HK$1,648 HKD