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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 HK$7,231 HKD
As of October 30, 2026
Save HK$17,546 HKD (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$24,776 HKD 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 HK$7,231 to HK$24,776, a HK$17,546 spread on the same certified stone. Moon Ocean lists it at HK$24,776. 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: HK$24,776 HKD|Low: HK$6,496 HKD|High: HK$25,041 HKD|Avg: HK$12,268 HKD
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7HK$7,231 HKD
Retailer 5HK$7,767 HKD
Retailer 6HK$7,971 HKD
Retailer 8HK$8,654 HKD
Retailer 2HK$10,832 HKD
Retailer 4HK$11,846 HKD
Retailer 3HK$17,577 HKD
Moon OceanHK$24,776 HKD

42 data points across 8 retailers

17 retailersHK$7,231 HKD to HK$24,776 HKD

A
Cheapest Retailer
-
HK$7,231 HKD
A
Retailer 2
-
HK$7,767 HKD
$990 USD
View
B+
Retailer 3
-
HK$7,971 HKD
$1,016 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$8,560 HKD
$1,091 USD
View
B+
Retailer 5
-
HK$8,646 HKD
$1,102 USD
View
B+
Retailer 6
-
HK$8,646 HKD
$1,102 USD
View
B+
Retailer 7
-
HK$8,654 HKD
$1,103 USD
View
B+
Retailer 8
-
HK$8,983 HKD
$1,145 USD
View
B+
Retailer 9
-
HK$9,980 HKD
$1,272 USD
View
B+
Retailer 10
-
HK$10,435 HKD
$1,330 USD
View
B+
Retailer 11
-
HK$10,435 HKD
$1,330 USD
View
B+
Retailer 12
-
HK$10,749 HKD
$1,370 USD
View
B+
Retailer 13
-
HK$10,832 HKD
£1,087 GBP
View
B
Retailer 14
-
HK$11,846 HKD
€1,438 EUR
View
B
Retailer 15
-
HK$17,577 HKD
£1,764 GBP
View
C
Retailer 16
-
HK$23,278 HKD
$2,967 USD
View
Most Expensive
B
Moon Ocean
NVN-F4489A766-820 · Oct 30
HK$24,776 HKD
£2,487 GBP
View
16 more retailers have this diamond
Prices start from HK$7,231 HKDSave up to HK$17,546 HKD

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
HK$7,231 HKD