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Round|Natural|GIA

1.21ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2564084734

Certificate GIA 2564084734

Diamond specifications and retailer prices

From $1,297 USD
SGD 1,753 SGD
As of October 29, 2026
Save $1,187 USD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,484 USD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564084734. Listed at 13 retailers as of October 26, 2026, with prices from $1,297 to $2,484, a $1,187 spread on the same certified stone. Wholesale Diamonds Direct lists it at $2,484. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2564084734
Dimensions6.76 × 6.80 × 4.26 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.76 mm6.80 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564084734
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 29
Current: $1,969 USD|Low: $1,297 USD|High: $2,710 USD|Avg: $1,862 USD|-9.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
October 30, 2026
Retailer 11$1,297 USD
Retailer 7$1,507 USD
Retailer 8$1,533 USD
Retailer 9$1,535 USD
Retailer 3$1,641 USD
Retailer 4$1,658 USD
Retailer 5$1,678 USD
Retailer 10$1,680 USD
Retailer 12$1,820 USD
Retailer 1$1,969 USD
Retailer 2$2,022 USD
Retailer 6$2,130 USD
Wholesale Diamonds Direct$2,484 USD

30 data points across 13 retailers

13 retailers$1,297 USD to $2,484 USD

A
Cheapest Retailer
-
$1,297 USD
SGD 1,753 SGD
A
Retailer 2
-
$1,507 USD
View
A
Retailer 3
-
$1,533 USD
View
A
Retailer 4
-
$1,535 USD
View
A
Retailer 5
-
$1,641 USD
SGD 2,218 SGD
View
A
Retailer 6
-
$1,658 USD
View
A
Retailer 7
-
$1,678 USD
£1,321 GBP
View
A
Retailer 8
-
$1,680 USD
View
A
Retailer 9
-
$1,820 USD
View
A
Retailer 10
-
$1,969 USD
£1,550 GBP
View
A
Retailer 11
-
$2,022 USD
View
B+
Retailer 12
-
$2,130 USD
€2,029 EUR
View
Most Expensive
B+
Wholesale Diamonds Direct
570927854 · Oct 26
$2,484 USD
View
12 more retailers have this diamond
Prices start from $1,297 USDSave up to $1,187 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
$1,297 USD