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Round|Natural|GIA

1.20ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1498706583

Certificate GIA 1498706583

Diamond specifications and retailer prices

From €2,180 EUR
$2,435 USD
As of October 31, 2026
Save €2,645 EUR (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €4,825 EUR at NZ Jewellers · As of October 30, 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 1498706583. Listed at 21 retailers as of October 30, 2026, with prices from €2,180 to €4,825, a €2,645 spread on the same certified stone. NZ Jewellers lists it at €4,825. 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
FluorescenceFaint
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1498706583
Dimensions6.74 × 6.78 × 4.22 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Top View
6.74 mm6.78 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1498706583
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €2,876 EUR|Low: €1,997 EUR|High: €4,687 EUR|Avg: €2,950 EUR|+2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9€2,180 EUR
Retailer 6€2,316 EUR
Retailer 5€2,357 EUR
Retailer 8€2,606 EUR
Retailer 1€2,876 EUR
Retailer 7€2,958 EUR
Retailer 3€3,057 EUR
Retailer 2€3,404 EUR
Retailer 4€4,656 EUR

42 data points across 9 retailers

21 retailers€2,180 EUR to €4,825 EUR

B+
Cheapest Retailer
-
€2,180 EUR
$2,435 USD
B+
Retailer 2
-
€2,182 EUR
$2,438 USD
View
B+
Retailer 3
-
€2,247 EUR
$2,510 USD
View
B+
Retailer 4
-
€2,316 EUR
$2,587 USD
View
Final sale: no returns
B+
Retailer 5
-
€2,357 EUR
$2,633 USD
View
B+
Retailer 6
-
€2,461 EUR
$2,750 USD
View
B+
Retailer 7
-
€2,509 EUR
$2,803 USD
View
B+
Retailer 8
-
€2,509 EUR
$2,803 USD
View
B
Retailer 9
-
€2,538 EUR
$2,835 USD
View
B
Retailer 10
-
€2,606 EUR
$2,911 USD
View
B
Retailer 11
-
€2,820 EUR
$3,150 USD
View
B
Retailer 12
-
€2,820 EUR
$3,150 USD
View
B+
Retailer 13
-
€2,876 EUR
£2,530 GBP
View
B
Retailer 14
-
€2,893 EUR
$3,232 USD
View
B
Retailer 15
-
€2,895 EUR
$3,234 USD
View
B
Retailer 16
-
€2,909 EUR
$3,250 USD
View
Retailer 17
-
€2,958 EUR
A$5,085 AUD
View
Price last confirmed 24 days ago
B
Retailer 18
-
€3,057 EUR
View
B
Retailer 19
-
€3,404 EUR
ZAR 61,436 ZAR
View
B
Retailer 20
-
€4,656 EUR
£4,096 GBP
View
Most Expensive
B
NZ Jewellers
39fc103d-9290-4738-bcea-93388e39eadb · Oct 30
€4,825 EUR
$5,390 USD
View
20 more retailers have this diamond
Prices start from €2,180 EURSave up to €2,645 EUR

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
€2,180 EUR