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Round|Natural|GIA

1.21ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1565410539

Certificate GIA 1565410539

Diamond specifications and retailer prices

From $2,546 SGD
As of October 27, 2026
Save $1,083 SGD (30%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,693 SGD at Wholesale Diamonds Direct · As of October 23, 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 1565410539. Listed at 13 retailers as of October 27, 2026, with a 43% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceMedium
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1565410539
Dimensions6.86 × 6.89 × 4.21 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.86 mm6.89 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1565410539
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.6°Culet: NDepth 61.2%

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 27
Current: $2,546 SGD|Low: $2,546 SGD|High: $4,853 SGD|Avg: $3,398 SGD|-8.1%
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 27, 2026
Retailer 1$2,546 SGD
Retailer 9$2,594 SGD
Retailer 10$2,765 SGD
Retailer 8$2,774 SGD
Retailer 3$2,871 SGD
Retailer 7$2,944 SGD
Retailer 2$3,012 SGD
Retailer 11$3,273 SGD
Retailer 12$3,458 SGD
Retailer 5$3,467 SGD
Retailer 6$3,549 SGD
Retailer 4$3,629 SGD
Wholesale Diamonds Direct$4,693 SGD

31 data points across 13 retailers

13 retailers$2,546 SGD to $3,629 SGD

A
Cheapest Retailer
-
$2,546 SGD
A
Retailer 2
-
$2,594 SGD
$2,029 USD
View
Retailer 3
-
$2,765 SGD
$2,163 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$2,774 SGD
$2,170 USD
View
Retailer 5
-
$2,871 SGD
$2,246 USD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
$2,944 SGD
£1,813 GBP
View
B+
Retailer 7
-
$3,012 SGD
View
Retailer 8
-
$3,273 SGD
$2,560 USD
View
Price last confirmed 7 days ago
B
Retailer 9
-
$3,458 SGD
$2,705 USD
View
B+
Retailer 10
-
$3,467 SGD
$2,712 USD
View
B+
Retailer 11
-
$3,549 SGD
€2,644 EUR
View
B
Retailer 12
-
$3,629 SGD
£2,235 GBP
View
Most Expensive
Wholesale Diamonds Direct
570928002 · Oct 23
$4,693 SGD
$3,671 USD
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from $2,546 SGDSave up to $1,083 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
$2,546 SGD