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Round|Lab Grown|GIA

1.21ct D VS1 Round Lab Grown Diamond

VG • D/VS1 • GIA 1489221331

Certificate GIA 1489221331

Diamond specifications and retailer prices

From HK$2,573 HKD
As of November 5, 2026
Save HK$10,210 HKD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$12,783 HKD at MOH London · As of November 3, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GIA 1489221331. Listed at 24 retailers as of November 3, 2026, with prices from HK$2,573 to HK$12,783, a HK$10,210 spread on the same certified stone. MOH London lists it at HK$12,783. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 1489221331
Dimensions6.80 × 6.76 × 4.25 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionMedium to Slightly Thick
Top View
6.80 mm6.76 mm1.21 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1489221331
Side View
Table 57.0%Crown 35.5°Girdle: ThickPavilion 41°Culet: NoneDepth 62.6%

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 5
Current: HK$12,783 HKD|Low: HK$2,448 HKD|High: HK$12,853 HKD|Avg: HK$5,969 HKD|-0.2%
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
November 5, 2026
Retailer 11HK$2,573 HKD
Retailer 17HK$2,879 HKD
Retailer 3HK$2,981 HKD
Retailer 7HK$3,185 HKD
Retailer 9HK$3,185 HKD
Retailer 4HK$3,962 HKD
Retailer 21HK$4,393 HKD
Retailer 5HK$4,786 HKD
Retailer 6HK$5,107 HKD
Retailer 13HK$5,107 HKD
Retailer 8HK$5,154 HKD
Retailer 16HK$5,382 HKD
Retailer 19HK$5,492 HKD
Retailer 20HK$5,492 HKD
Retailer 15HK$7,837 HKD
Retailer 18HK$8,363 HKD
Retailer 2HK$8,630 HKD
Retailer 12HK$10,254 HKD
Retailer 14HK$10,599 HKD
Retailer 10HK$11,101 HKD
MOH LondonHK$12,783 HKD

38 data points across 21 retailers

24 retailersHK$2,573 HKD to HK$12,783 HKD

Retailer 1
-
HK$2,550 HKD
Price last confirmed 45 days ago
A
Retailer 2
-
HK$2,573 HKD
View
A
Retailer 3
-
HK$2,879 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$2,981 HKD
View
Retailer 5
-
HK$3,122 HKD
View
Price last confirmed 45 days ago
Retailer 6
-
HK$3,185 HKD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
HK$3,185 HKD
View
B+
Retailer 8
-
HK$3,962 HKD
View
B+
Retailer 9
-
HK$4,393 HKD
View
Retailer 10
-
HK$4,786 HKD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
HK$5,107 HKD
View
B+
Retailer 12
-
HK$5,107 HKD
View
B+
Retailer 13
-
HK$5,154 HKD
View
B+
Retailer 14
-
HK$5,382 HKD
View
B
Retailer 15
-
HK$5,492 HKD
View
B+
Retailer 16
-
HK$5,492 HKD
View
B
Retailer 17
-
HK$7,837 HKD
View
B
Retailer 18
-
HK$8,363 HKD
View
B
Retailer 19
-
HK$8,630 HKD
View
B
Retailer 20
-
HK$10,254 HKD
View
B
Retailer 21
-
HK$10,599 HKD
View
B
Retailer 22
-
HK$11,101 HKD
View
B
Retailer 23
-
HK$12,066 HKD
View
Most Expensive
B
MOH London
1489221331 · Nov 3
HK$12,783 HKD
£1,283 GBP
View
23 more retailers have this diamond
Prices start from HK$2,573 HKDSave up to HK$10,210 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 Round
HK$2,573 HKD