CaratHunter
Plans
Round|Lab Grown|GIA

1.21ct D I1 Round Lab Grown Diamond

EX • D/I1 • GIA 2225210135

Certificate GIA 2225210135

Diamond specifications and retailer prices

From $954 SGD
$746 USD
As of October 30, 2026
Save $2,616 SGD (73%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,571 SGD at Yorxs · As of October 29, 2026
View at Yorxs

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 I1 clarity (included), with a top-tier cut grade and certified by GIA 2225210135. Listed at 2 retailers as of October 29, 2026, with prices from $954 to $3,571, a $2,616 spread on the same certified stone. Yorxs lists it at $3,571. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 2225210135
Dimensions6.78 × 6.81 × 4.22 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.78 mm6.81 mm1.21 ctD / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2225210135
Side View
Table 58.0%Crown 35°Girdle: S.Pavilion 41°Culet: NoneDepth 62.1%

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: Oct 30
Current: $954 SGD|Low: $954 SGD|High: $3,571 SGD|Avg: $2,244 SGD|-5.4%
Retailer 1
Yorxs
October 29, 2026
Retailer 1$954 SGD
Yorxs$3,571 SGD

17 data points across 2 retailers

2 retailers$954 SGD to $3,571 SGD

A
Cheapest Retailer
-
$954 SGD
$746 USD
Most Expensive
B
Yorxs
358150891 · Oct 29
$3,571 SGD
€2,660 EUR
View
1 more retailer has this diamond
Prices start from $954 SGDSave up to $2,616 SGD

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
$954 SGD