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Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

VG • D/VVS1 • IGI LG671423914

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

Certificate IGI LG671423914

Diamond specifications and retailer prices

From HK$2,228 HKD
As of November 4, 2026
Save HK$8,812 HKD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$11,040 HKD at MOH London · As of November 5, 2026
View at MOH London

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 VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG671423914 or 671423914. Listed at 21 retailers as of November 4, 2026, with prices from HK$2,228 to HK$11,040, a HK$8,812 spread on the same certified stone. MOH London lists it at HK$11,040. 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
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671423914
Dimensions7.74 × 5.20 × 3.69 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.74 mm5.20 mm1.21 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671423914
Side View
Table 62.0%Crown 38°Girdle: MediumPavilion 36.2°Culet: NoneDepth 71.0%

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: Nov 4
Current: HK$11,040 HKD|Low: HK$2,142 HKD|High: HK$11,200 HKD|Avg: HK$6,104 HKD|-0.3%
MOH London
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 5, 2026
Retailer 21HK$2,228 HKD
Retailer 19HK$2,495 HKD
Retailer 7HK$2,581 HKD
Retailer 6HK$2,762 HKD
Retailer 22HK$2,762 HKD
Retailer 2HK$3,138 HKD
Retailer 10HK$3,609 HKD
Retailer 16HK$4,001 HKD
Retailer 5HK$4,543 HKD
Retailer 8HK$4,715 HKD
Retailer 13HK$4,762 HKD
Retailer 11HK$4,778 HKD
Retailer 12HK$4,959 HKD
Retailer 3HK$7,681 HKD
Retailer 18HK$8,489 HKD
Retailer 17HK$8,827 HKD
Retailer 4HK$8,881 HKD
Retailer 15HK$8,999 HKD
Retailer 9HK$10,043 HKD
Retailer 14HK$10,443 HKD
Retailer 20HK$10,780 HKD
MOH LondonHK$11,040 HKD

31 data points across 22 retailers

21 retailersHK$2,228 HKD to HK$11,040 HKD

A
Cheapest Retailer
-
HK$2,228 HKD
A
Retailer 2
-
HK$2,495 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,581 HKD
View
Retailer 4
-
HK$2,762 HKD
View
Price last confirmed 11 days ago
A
Retailer 5
-
HK$2,762 HKD
View
A
Retailer 6
-
HK$3,138 HKD
View
Retailer 7
-
HK$3,609 HKD
View
Price last confirmed 30 days ago
B+
Retailer 8
-
HK$4,001 HKD
View
B+
Retailer 9
-
HK$4,543 HKD
View
B+
Retailer 10
-
HK$4,715 HKD
View
B+
Retailer 11
-
HK$4,762 HKD
View
B+
Retailer 12
-
HK$4,778 HKD
View
Retailer 13
-
HK$7,681 HKD
View
Price last confirmed 11 days ago
B
Retailer 14
-
HK$8,489 HKD
View
Retailer 15
-
HK$8,827 HKD
View
Price last confirmed 18 days ago
B
Retailer 16
-
HK$8,881 HKD
View
B
Retailer 17
-
HK$8,999 HKD
View
Retailer 18
-
HK$10,443 HKD
View
Price last confirmed 29 days ago
B
Retailer 19
-
HK$10,482 HKD
View
B
Retailer 20
-
HK$10,780 HKD
View
Most Expensive
B
MOH London
LG671423914 · Nov 5
HK$11,040 HKD
£1,108 GBP
View
20 more retailers have this diamond
Prices start from HK$2,228 HKDSave up to HK$8,812 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$2,228 HKD