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Round|Natural|GIA

0.90ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 1427157820

Certificate GIA 1427157820

Diamond specifications and retailer prices

From €825 EUR
HK$7,200 HKD
As of October 30, 2026
Save €2,002 EUR (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,827 EUR at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1427157820. Listed at 17 retailers as of October 30, 2026, with prices from €825 to €2,827, a €2,002 spread on the same certified stone. Moon Ocean lists it at €2,827. 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

0.90
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 1427157820
Dimensions6.05 × 5.97 × 3.87 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cavity
Top View
6.05 mm5.97 mm0.90 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1427157820
Side View
Table 57.0%Crown 38°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 64.4%

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: Oct 30
Current: €2,827 EUR|Low: €741 EUR|High: €2,857 EUR|Avg: €1,364 EUR
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8€825 EUR
Retailer 5€886 EUR
Retailer 6€909 EUR
Retailer 9€987 EUR
Retailer 7€1,025 EUR
Retailer 3€1,236 EUR
Retailer 2€1,353 EUR
Retailer 4€2,005 EUR
Moon Ocean€2,827 EUR

42 data points across 9 retailers

17 retailers€825 EUR to €2,827 EUR

A
Cheapest Retailer
-
€825 EUR
HK$7,200 HKD
A
Retailer 2
-
€886 EUR
$990 USD
View
B+
Retailer 3
-
€909 EUR
$1,016 USD
View
Final sale: no returns
B+
Retailer 4
-
€977 EUR
$1,091 USD
View
B+
Retailer 5
-
€986 EUR
$1,102 USD
View
B+
Retailer 6
-
€986 EUR
$1,102 USD
View
B+
Retailer 7
-
€987 EUR
$1,103 USD
View
B+
Retailer 8
-
€1,025 EUR
$1,145 USD
View
B+
Retailer 9
-
€1,139 EUR
$1,272 USD
View
B+
Retailer 10
-
€1,190 EUR
$1,330 USD
View
B+
Retailer 11
-
€1,190 EUR
$1,330 USD
View
B+
Retailer 12
-
€1,226 EUR
$1,370 USD
View
B+
Retailer 13
-
€1,236 EUR
£1,087 GBP
View
B
Retailer 14
-
€1,353 EUR
View
B
Retailer 15
-
€2,005 EUR
£1,764 GBP
View
C
Retailer 16
-
€2,656 EUR
$2,967 USD
View
Most Expensive
B
Moon Ocean
NVN-F4489A766-820 · Oct 30
€2,827 EUR
£2,487 GBP
View
16 more retailers have this diamond
Prices start from €825 EURSave up to €2,002 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.

A
0.90ct Round
€825 EUR