Round|Natural|GIA

1.20ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2526041324

Certificate GIA 2526041324

Diamond specifications and retailer prices

From $2,153 USD
As of November 4, 2026
Save $3,837 USD (64%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $5,990 USD 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $2,742 USD|Low: $2,153 USD|High: $4,850 USD|Avg: $2,988 USD|-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$2,153 USD
Retailer 2$2,324 USD
Retailer 10$2,395 USD
Retailer 9$2,497 USD
Retailer 8$2,596 USD
Retailer 1$2,742 USD
Retailer 3$3,015 USD
Retailer 5$3,328 USD
Retailer 4$3,371 USD
Retailer 6$4,779 USD

37 data points across 10 retailers

27 retailers$2,153 USD to $5,990 USD

A
Cheapest Retailer
-
$2,153 USD
B+
Retailer 2
-
$2,324 USD
View
B+
Retailer 3
-
$2,395 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,497 USD
View
Retailer 5
-
$2,596 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$2,596 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$2,596 USD
View
Price last confirmed 50 days ago
Retailer 8
-
$2,596 USD
View
Price last confirmed 21 days ago
Retailer 9
-
$2,596 USD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$2,635 USD
View
Retailer 11
-
$2,716 USD
View
Price last confirmed 38 days ago
B+
Retailer 12
-
$2,742 USD
View
B
Retailer 13
-
$2,860 USD
View
B
Retailer 14
-
$2,860 USD
View
B
Retailer 15
-
$2,950 USD
View
Retailer 16
-
$2,995 USD
View
Price last confirmed 28 days ago
Retailer 17
-
$2,995 USD
View
Price last confirmed 45 days ago
Retailer 18
-
$2,995 USD
View
Price last confirmed 16 days ago
B+
Retailer 19
-
$2,995 USD
View
B+
Retailer 20
-
$3,015 USD
View
B
Retailer 21
-
$3,328 USD
View
B
Retailer 22
-
$3,371 USD
View
B
Retailer 23
-
$4,779 USD
View
Retailer 24
-
$5,990 USD
View
Price last confirmed 39 days ago
B
Retailer 25
-
$5,990 USD
View
Retailer 26
-
$5,990 USD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
9811674a-166a-49bf-a6c5-2c336768c947 · Oct 20
$5,990 USD
View
Price last confirmed 16 days ago
26 more retailers have this diamond
Prices start from $2,153 USDSave up to $3,837 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
1.20ct Round
$2,153 USD