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 $367 USD
As of October 30, 2026
Save $1,271 USD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,638 USD 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 $367 to $1,638, a $1,271 spread on the same certified stone. MOH London lists it at $1,638. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,638 USD|Low: $312 USD|High: $1,638 USD|Avg: $774 USD|+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
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Retailer 21
October 30, 2026
Retailer 11$328 USD
Retailer 18$367 USD
Retailer 20$380 USD
Retailer 6$406 USD
Retailer 8$406 USD
Retailer 21$505 USD
Retailer 19$560 USD
Retailer 3$610 USD
Retailer 4$651 USD
Retailer 7$657 USD
Retailer 2$658 USD
Retailer 13$687 USD
Retailer 17$698 USD
Retailer 16$701 USD
Retailer 15$987 USD
Retailer 10$1,054 USD
Retailer 5$1,090 USD
Retailer 12$1,307 USD
Retailer 14$1,351 USD
Retailer 9$1,415 USD
MOH London$1,638 USD

35 data points across 21 retailers

22 retailers$367 USD to $1,638 USD

Retailer 1
-
$328 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$367 USD
View
Final sale: no returns
A
Retailer 3
-
$380 USD
View
B+
Retailer 4
-
$406 USD
View
Retailer 5
-
$406 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$505 USD
View
B+
Retailer 7
-
$560 USD
View
Retailer 8
-
$610 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$651 USD
View
B
Retailer 10
-
$657 USD
View
B+
Retailer 11
-
$658 USD
£518 GBP
View
B+
Retailer 12
-
$687 USD
€654 EUR
View
B+
Retailer 13
-
$698 USD
ZAR 11,284 ZAR
View
B
Retailer 14
-
$701 USD
A$1,078 AUD
View
B
Retailer 15
-
$987 USD
A$1,519 AUD
View
B
Retailer 16
-
$1,054 USD
View
Retailer 17
-
$1,090 USD
View
Price last confirmed 14 days ago
Retailer 18
-
$1,307 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
$1,351 USD
View
B
Retailer 20
-
$1,415 USD
View
B
Retailer 21
-
$1,538 USD
View
Most Expensive
B
MOH London
7488221318 · Oct 29
$1,638 USD
£1,290 GBP
View
21 more retailers have this diamond
Prices start from $367 USDSave up to $1,271 USD

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
$367 USD