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Round|Natural|GIA

1.21ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1565756922

Certificate GIA 1565756922

Diamond specifications and retailer prices

From $2,144 SGD
HK$13,100 HKD
As of November 1, 2026
Save $3,869 SGD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,012 SGD 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 16 retailers as of October 30, 2026, with prices from $2,144 to $6,012, a $3,869 spread on the same certified stone. NZ Jewellers lists it at $6,012. 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
Colour
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: Nov 1
Current: $6,012 SGD|Low: $2,111 SGD|High: $6,012 SGD|Avg: $3,226 SGD
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
Retailer 16
November 2, 2026
Retailer 13$2,144 SGD
Retailer 6$2,522 SGD
Retailer 3$2,598 SGD
Retailer 5$2,654 SGD
Retailer 15$2,733 SGD
Retailer 9$2,767 SGD
Retailer 7$2,876 SGD
Retailer 12$2,876 SGD
Retailer 2$3,009 SGD
Retailer 4$3,054 SGD
Retailer 10$3,112 SGD
Retailer 16$3,296 SGD
Retailer 14$3,319 SGD
Retailer 11$3,575 SGD
Retailer 8$5,066 SGD
NZ Jewellers$6,012 SGD

5 data points across 16 retailers

16 retailers$2,144 SGD to $6,012 SGD

A
Cheapest Retailer
-
$2,144 SGD
HK$13,100 HKD
A
Retailer 2
-
$2,522 SGD
$1,973 USD
View
A
Retailer 3
-
$2,598 SGD
$2,032 USD
View
B+
Retailer 4
-
$2,654 SGD
$2,076 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,733 SGD
$2,138 USD
View
A
Retailer 6
-
$2,767 SGD
£1,704 GBP
View
B+
Retailer 7
-
$2,876 SGD
$2,250 USD
View
B+
Retailer 8
-
$2,876 SGD
$2,250 USD
View
B
Retailer 9
-
$3,009 SGD
$2,354 USD
View
B+
Retailer 10
-
$3,054 SGD
$2,389 USD
View
B+
Retailer 11
-
$3,112 SGD
£1,917 GBP
View
B+
Retailer 12
-
$3,296 SGD
£2,030 GBP
View
B+
Retailer 13
-
$3,319 SGD
$2,596 USD
View
B
Retailer 14
-
$3,575 SGD
€2,663 EUR
View
B
Retailer 15
-
$5,066 SGD
£3,120 GBP
View
Most Expensive
B
NZ Jewellers
f5cb1f38-a4cc-4222-996e-d15052e8e27e · Oct 30
$6,012 SGD
$4,703 USD
View
15 more retailers have this diamond
Prices start from $2,144 SGDSave up to $3,869 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
$2,144 SGD