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Round|Natural|GIA

1.20ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2526041324

Certificate GIA 2526041324

Diamond specifications and retailer prices

From $2,750 SGD
As of November 4, 2026
Save $4,901 SGD (64%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $7,651 SGD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct 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 2526041324. Listed at 27 retailers as of November 4, 2026, with a 178% 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

1.20
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2526041324
Dimensions6.78 × 6.74 × 4.21 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.78 mm6.74 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2526041324
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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: Nov 4
Current: $3,502 SGD|Low: $2,750 SGD|High: $6,195 SGD|Avg: $3,817 SGD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$2,750 SGD
Retailer 2$2,968 SGD
Retailer 10$3,059 SGD
Retailer 9$3,189 SGD
Retailer 8$3,316 SGD
Retailer 1$3,502 SGD
Retailer 3$3,851 SGD
Retailer 5$4,251 SGD
Retailer 4$4,306 SGD
Retailer 6$6,104 SGD

37 data points across 10 retailers

27 retailers$2,750 SGD to $7,651 SGD

A
Cheapest Retailer
-
$2,750 SGD
B+
Retailer 2
-
$2,968 SGD
View
B+
Retailer 3
-
$3,059 SGD
View
Final sale: no returns
B+
Retailer 4
-
$3,189 SGD
View
Retailer 5
-
$3,316 SGD
View
Price last confirmed 29 days ago
Retailer 6
-
$3,316 SGD
View
Price last confirmed 8 days ago
Retailer 7
-
$3,316 SGD
View
Price last confirmed 50 days ago
Retailer 8
-
$3,316 SGD
View
Price last confirmed 21 days ago
Retailer 9
-
$3,316 SGD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$3,366 SGD
View
Retailer 11
-
$3,469 SGD
View
Price last confirmed 38 days ago
B+
Retailer 12
-
$3,502 SGD
View
B
Retailer 13
-
$3,653 SGD
View
B
Retailer 14
-
$3,653 SGD
View
B
Retailer 15
-
$3,768 SGD
View
Retailer 16
-
$3,826 SGD
View
Price last confirmed 28 days ago
Retailer 17
-
$3,826 SGD
View
Price last confirmed 45 days ago
Retailer 18
-
$3,826 SGD
View
Price last confirmed 16 days ago
B+
Retailer 19
-
$3,826 SGD
View
B+
Retailer 20
-
$3,851 SGD
View
B
Retailer 21
-
$4,251 SGD
View
B
Retailer 22
-
$4,306 SGD
View
B
Retailer 23
-
$6,104 SGD
View
Retailer 24
-
$7,651 SGD
View
Price last confirmed 39 days ago
B
Retailer 25
-
$7,651 SGD
View
Retailer 26
-
$7,651 SGD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
9811674a-166a-49bf-a6c5-2c336768c947 · Oct 20
$7,651 SGD
$5,990 USD
View
Price last confirmed 17 days ago
26 more retailers have this diamond
Prices start from $2,750 SGDSave up to $4,901 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
1.20ct Round
$2,750 SGD