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Round|Natural|GIA

1.20ct J I1 Round Natural Diamond

VG • J/I1 • GIA 6392373870

Certificate GIA 6392373870

Diamond specifications and retailer prices

From €1,547 EUR
HK$13,500 HKD
As of November 1, 2026
Save €2,801 EUR (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €4,347 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 I1 clarity (included), with a very-good cut grade and certified by GIA 6392373870. Listed at 9 retailers as of October 30, 2026, with prices from €1,547 to €4,347, a €2,801 spread on the same certified stone. NZ Jewellers lists it at €4,347. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
J
Color
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6392373870
Dimensions6.64 × 6.59 × 4.24 mm
L/W Ratio1.01
Top View
6.64 mm6.59 mm1.20 ctJ / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6392373870
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 64.1%

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: Nov 1
Current: €4,347 EUR|Low: €1,535 EUR|High: €4,398 EUR|Avg: €2,473 EUR|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4€1,547 EUR
Retailer 10€1,878 EUR
Retailer 7€1,968 EUR
Retailer 5€2,079 EUR
Retailer 8€2,079 EUR
Retailer 6€2,175 EUR
Retailer 9€2,400 EUR
Retailer 11€2,536 EUR
Retailer 2€2,585 EUR
Retailer 3€3,399 EUR
NZ Jewellers€4,347 EUR

17 data points across 11 retailers

9 retailers€1,547 EUR to €4,347 EUR

B+
Cheapest Retailer
-
€1,547 EUR
HK$13,500 HKD
B
Retailer 2
-
€1,878 EUR
$2,098 USD
View
B
Retailer 3
-
€1,968 EUR
$2,199 USD
View
B
Retailer 4
-
€2,079 EUR
$2,323 USD
View
B
Retailer 5
-
€2,079 EUR
$2,323 USD
View
B
Retailer 6
-
€2,175 EUR
$2,430 USD
View
B
Retailer 7
-
€2,400 EUR
$2,681 USD
View
B
Retailer 8
-
€2,585 EUR
View
Most Expensive
C
NZ Jewellers
96b2ebfd-4f71-4cd1-bd25-6c4ecfc39f3e · Oct 30
€4,347 EUR
$4,857 USD
View
8 more retailers have this diamond
Prices start from €1,547 EURSave up to €2,801 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
€1,547 EUR