Round|Natural|GIA

1.20ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2547444059

Certificate GIA 2547444059

Diamond specifications and retailer prices

From $2,902 USD
As of October 31, 2026
Save $505 USD (15%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,337 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547444059. Listed at 26 retailers as of October 30, 2026, with a relatively tight 17% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547444059
Dimensions6.73 × 6.77 × 4.26 mm
L/W Ratio1.01
Top View
6.73 mm6.77 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547444059
Side View
Table 57.0%CrownGirdle: UNDPavilionCulet: NoneDepth 63.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $5,337 USD|Low: $2,485 USD|High: $5,337 USD|Avg: $3,353 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
October 30, 2026
Retailer 3$2,485 USD
Retailer 10$2,571 USD
Retailer 5$2,606 USD
Retailer 4$2,725 USD
Retailer 9$2,775 USD
Retailer 16$2,809 USD
Retailer 21$2,902 USD
Retailer 13$2,906 USD
Retailer 20$3,034 USD
Retailer 15$3,063 USD
Retailer 17$3,138 USD
Retailer 14$3,160 USD
Retailer 23$3,160 USD
Retailer 12$3,202 USD
Retailer 22$3,225 USD
Retailer 8$3,270 USD
Retailer 6$3,273 USD
Retailer 2$3,407 USD
Retailer 11$3,555 USD
Retailer 19$3,718 USD
Retailer 7$4,462 USD
Retailer 18$5,150 USD
NZ Jewellers$5,337 USD

35 data points across 23 retailers

26 retailers$2,902 USD to $3,407 USD

Retailer 1
-
$2,485 USD
Price last confirmed 11 days ago
Retailer 2
-
$2,571 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$2,606 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$2,725 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$2,775 USD
View
Price last confirmed 15 days ago
Retailer 6
-
$2,775 USD
View
Price last confirmed 11 days ago
Retailer 7
-
$2,809 USD
View
Price last confirmed 13 days ago
Retailer 8
-
$2,882 USD
View
Price last confirmed 15 days ago
B
Retailer 9
-
$2,902 USD
View
Retailer 10
-
$2,906 USD
£2,288 GBP
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$3,034 USD
CA$4,214 CAD
View
Retailer 12
-
$3,063 USD
View
Price last confirmed 37 days ago
Retailer 13
-
$3,138 USD
£2,471 GBP
View
Price last confirmed 9 days ago
Retailer 14
-
$3,160 USD
View
Price last confirmed 11 days ago
Retailer 15
-
$3,202 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$3,225 USD
View
Retailer 17
-
$3,270 USD
View
Price last confirmed 10 days ago
Retailer 18
-
$3,273 USD
A$5,035 AUD
View
Price last confirmed 23 days ago
B
Retailer 19
-
$3,407 USD
€3,245 EUR
View
Retailer 20
-
$3,534 USD
View
Price last confirmed 39 days ago
Retailer 21
-
$3,555 USD
View
Price last confirmed 17 days ago
Retailer 22
-
$3,718 USD
ZAR 60,071 ZAR
View
Price last confirmed 14 days ago
Retailer 23
-
$4,462 USD
View
Price last confirmed 9 days ago
Retailer 24
-
$5,150 USD
£4,055 GBP
View
Price last confirmed 10 days ago
Retailer 25
-
$5,337 USD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
8ca6cc3f-5d38-4fea-9bc9-3f6e060610fe · Oct 20
$5,337 USD
View
Price last confirmed 10 days ago
25 more retailers have this diamond
Prices start from $2,902 USDSave up to $505 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.

B+
1.20ct Round
$2,902 USD