CaratHunter
Plans
Round|Lab Grown|GIA

1.21ct D VS1 Round Lab Grown Diamond

VG • D/VS1 • GIA 7488221318

Certificate GIA 7488221318

Diamond specifications and retailer prices

From £274 GBP
$367 USD
As of October 30, 2026
Save £949 GBP (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,223 GBP at MOH London · As of October 29, 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 7488221318. Listed at 22 retailers as of October 29, 2026, with prices from £274 to £1,223, a £949 spread on the same certified stone. MOH London lists it at £1,223. 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
OriginLab Grown
Grading LabGIA
CertificateGIA 7488221318
Dimensions6.80 × 6.75 × 4.25 mm
L/W Ratio1.01
Girdle conditionMedium to Slightly Thick
Top View
6.80 mm6.75 mm1.21 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7488221318
Side View
Table 55.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.8%

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: Oct 30
Current: £1,223 GBP|Low: £233 GBP|High: £1,223 GBP|Avg: £577 GBP|+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
October 30, 2026
Retailer 11£245 GBP
Retailer 18£274 GBP
Retailer 20£284 GBP
Retailer 6£303 GBP
Retailer 8£303 GBP
Retailer 21£377 GBP
Retailer 19£418 GBP
Retailer 3£455 GBP
Retailer 4£486 GBP
Retailer 7£490 GBP
Retailer 2£491 GBP
Retailer 13£513 GBP
Retailer 17£521 GBP
Retailer 16£523 GBP
Retailer 15£737 GBP
Retailer 10£787 GBP
Retailer 5£813 GBP
Retailer 12£975 GBP
Retailer 14£1,008 GBP
Retailer 9£1,056 GBP
MOH London£1,223 GBP

35 data points across 21 retailers

22 retailers£274 GBP to £1,223 GBP

Retailer 1
-
£245 GBP
$328 USD
Price last confirmed 12 days ago
A
Retailer 2
-
£274 GBP
$367 USD
View
Final sale: no returns
A
Retailer 3
-
£284 GBP
$380 USD
View
B+
Retailer 4
-
£303 GBP
$406 USD
View
Retailer 5
-
£303 GBP
$406 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£377 GBP
$505 USD
View
B+
Retailer 7
-
£418 GBP
$560 USD
View
Retailer 8
-
£455 GBP
$610 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
£486 GBP
$651 USD
View
B
Retailer 10
-
£490 GBP
$657 USD
View
B+
Retailer 11
-
£491 GBP
View
B+
Retailer 12
-
£513 GBP
€654 EUR
View
B+
Retailer 13
-
£521 GBP
ZAR 11,284 ZAR
View
B
Retailer 14
-
£523 GBP
A$1,078 AUD
View
B
Retailer 15
-
£737 GBP
A$1,519 AUD
View
B
Retailer 16
-
£787 GBP
$1,054 USD
View
Retailer 17
-
£813 GBP
$1,090 USD
View
Price last confirmed 14 days ago
Retailer 18
-
£975 GBP
$1,307 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
£1,008 GBP
$1,351 USD
View
B
Retailer 20
-
£1,056 GBP
$1,415 USD
View
B
Retailer 21
-
£1,148 GBP
$1,538 USD
View
Most Expensive
B
MOH London
7488221318 · Oct 29
£1,223 GBP
View
21 more retailers have this diamond
Prices start from £274 GBPSave up to £949 GBP

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
£274 GBP