Round|Natural|GIA

1.21ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1565756922

Certificate GIA 1565756922

Diamond specifications and retailer prices

From $1,677 USD
HK$13,100 HKD
As of October 31, 2026
Save $3,026 USD (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,703 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 1565756922. Listed at 15 retailers as of October 30, 2026, with prices from $1,677 to $4,703, a $3,026 spread on the same certified stone. NZ Jewellers lists it at $4,703. 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
FluorescenceNone
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565756922
Dimensions6.81 × 6.76 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
6.81 mm6.76 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565756922
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.8°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: Oct 31
Current: $4,703 USD|Low: $1,651 USD|High: $4,703 USD|Avg: $2,518 USD
NZ Jewellers
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
October 31, 2026
Retailer 8$1,677 USD
Retailer 5$1,973 USD
Retailer 14$2,032 USD
Retailer 4$2,076 USD
Retailer 11$2,138 USD
Retailer 3$2,171 USD
Retailer 2$2,250 USD
Retailer 6$2,250 USD
Retailer 15$2,389 USD
Retailer 9$2,455 USD
Retailer 13$2,578 USD
Retailer 10$2,596 USD
Retailer 12$2,809 USD
Retailer 7$3,962 USD
NZ Jewellers$4,703 USD

3 data points across 15 retailers

15 retailers$1,677 USD to $4,703 USD

A
Cheapest Retailer
-
$1,677 USD
HK$13,100 HKD
A
Retailer 2
-
$1,973 USD
View
A
Retailer 3
-
$2,032 USD
View
B+
Retailer 4
-
$2,076 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,138 USD
View
B+
Retailer 6
-
$2,171 USD
£1,710 GBP
View
B+
Retailer 7
-
$2,250 USD
View
B+
Retailer 8
-
$2,250 USD
View
B+
Retailer 9
-
$2,389 USD
View
B+
Retailer 10
-
$2,455 USD
£1,933 GBP
View
B+
Retailer 11
-
$2,578 USD
£2,030 GBP
View
B+
Retailer 12
-
$2,596 USD
View
B
Retailer 13
-
$2,809 USD
€2,675 EUR
View
B
Retailer 14
-
$3,962 USD
£3,120 GBP
View
Most Expensive
B
NZ Jewellers
f5cb1f38-a4cc-4222-996e-d15052e8e27e · Oct 30
$4,703 USD
View
14 more retailers have this diamond
Prices start from $1,677 USDSave up to $3,026 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
$1,677 USD