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Round|Natural|GIA

1.20ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6565358049

Certificate GIA 6565358049

Diamond specifications and retailer prices

From $1,574 USD
As of November 6, 2026
Save $2,801 USD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,375 USD at NZ Jewellers · As of November 5, 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 6565358049. Listed at 13 retailers as of November 5, 2026, with prices from $1,574 to $4,375, a $2,801 spread on the same certified stone. NZ Jewellers lists it at $4,375. 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 angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565358049
Dimensions6.78 × 6.74 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Indented Natural, Natural
Top View
6.78 mm6.74 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565358049
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 6
Current: $4,375 USD|Low: $1,548 USD|High: $4,375 USD|Avg: $2,280 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
November 6, 2026
Retailer 12$1,574 USD
Retailer 2$1,639 USD
Retailer 3$1,931 USD
Retailer 6$2,002 USD
Retailer 5$2,090 USD
Retailer 11$2,092 USD
Retailer 13$2,092 USD
Retailer 9$2,189 USD
Retailer 4$2,231 USD
Retailer 10$2,414 USD
Retailer 7$2,836 USD
Retailer 8$3,656 USD
NZ Jewellers$4,375 USD

28 data points across 13 retailers

13 retailers$1,574 USD to $4,375 USD

A
Cheapest Retailer
-
$1,574 USD
A
Retailer 2
-
$1,639 USD
View
A
Retailer 3
-
$1,931 USD
View
Final sale: no returns
A
Retailer 4
-
$2,002 USD
View
B+
Retailer 5
-
$2,090 USD
View
Retailer 6
-
$2,092 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$2,092 USD
View
B+
Retailer 8
-
$2,189 USD
View
B+
Retailer 9
-
$2,231 USD
View
B+
Retailer 10
-
$2,414 USD
View
B+
Retailer 11
-
$2,836 USD
View
B
Retailer 12
-
$3,656 USD
View
Most Expensive
B
NZ Jewellers
fb01befb-0f26-4656-84c1-bdbf7bbc3f5e · Nov 5
$4,375 USD
View
12 more retailers have this diamond
Prices start from $1,574 USDSave up to $2,801 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
$1,574 USD