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Round|Natural|GIA

0.90ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6531237701

Certificate GIA 6531237701

Diamond specifications and retailer prices

From $2,132 AUD
HK$11,700 HKD
As of October 26, 2026
Save $5,176 AUD (71%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,308 AUD at Moon Ocean · As of October 27, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6531237701. Listed at 19 retailers as of October 26, 2026, with prices from $2,132 to $7,308, a $5,176 spread on the same certified stone. Moon Ocean lists it at $7,308. 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

0.90
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6531237701
Dimensions6.21 × 6.16 × 3.78 mm
L/W Ratio1.01
Top View
6.21 mm6.16 mm0.90 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531237701
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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 26
Current: $7,308 AUD|Low: $2,132 AUD|High: $7,381 AUD|Avg: $3,662 AUD|-0.9%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 27, 2026
Retailer 11$2,132 AUD
Retailer 6$2,261 AUD
Retailer 8$2,598 AUD
Retailer 10$2,598 AUD
Retailer 9$2,636 AUD
Retailer 3$3,012 AUD
Retailer 4$3,052 AUD
Retailer 7$3,830 AUD
Retailer 5$4,939 AUD
Retailer 2$5,442 AUD
Moon Ocean$7,308 AUD

25 data points across 11 retailers

19 retailers$2,132 AUD to $7,308 AUD

A
Cheapest Retailer
-
$2,132 AUD
HK$11,700 HKD
A
Retailer 2
-
$2,261 AUD
₹151,244 INR
View
A
Retailer 3
-
$2,598 AUD
$1,825 USD
View
Retailer 4
-
$2,599 AUD
$1,826 USD
View
Price last confirmed 32 days ago
A
Retailer 5
-
$2,636 AUD
SGD 2,502 SGD
View
Retailer 6
-
$2,668 AUD
$1,874 USD
View
Price last confirmed 31 days ago
A
Retailer 7
-
$2,691 AUD
$1,890 USD
View
A
Retailer 8
-
$2,701 AUD
$1,897 USD
View
Retailer 9
-
$2,816 AUD
$1,978 USD
View
Price last confirmed 18 days ago
B+
Retailer 10
-
$2,996 AUD
SGD 2,844 SGD
View
Retailer 11
-
$2,998 AUD
$2,106 USD
View
Price last confirmed 31 days ago
B+
Retailer 12
-
$3,012 AUD
$2,116 USD
View
A
Retailer 13
-
$3,052 AUD
£1,688 GBP
View
B+
Retailer 14
-
$3,830 AUD
€2,562 EUR
View
B
Retailer 15
-
$4,939 AUD
£2,732 GBP
View
B
Retailer 16
-
$5,442 AUD
£3,010 GBP
View
Retailer 17
-
$6,867 AUD
$4,824 USD
View
Price last confirmed 27 days ago
Retailer 18
-
$6,997 AUD
$4,915 USD
View
Price last confirmed 34 days ago
Most Expensive
B
Moon Ocean
NVN-020EEA0D5-701 · Oct 27
$7,308 AUD
£4,042 GBP
View
18 more retailers have this diamond
Prices start from $2,132 AUDSave up to $5,176 AUD

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
$2,132 AUD