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Round|Natural|GIA

0.90ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 3515243860

Certificate GIA 3515243860

Diamond specifications and retailer prices

From $2,387 AUD
HK$13,100 HKD
As of October 30, 2026
Save $5,737 AUD (71%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,124 AUD 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3515243860. Listed at 19 retailers as of October 30, 2026, with prices from $2,387 to $8,124, a $5,737 spread on the same certified stone. Moon Ocean lists it at $8,124. 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 angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3515243860
Dimensions6.16 × 6.12 × 3.83 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.16 mm6.12 mm0.90 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515243860
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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: $8,124 AUD|Low: $2,387 AUD|High: $8,211 AUD|Avg: $4,396 AUD
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$2,387 AUD
Retailer 8$2,954 AUD
Retailer 12$3,200 AUD
Retailer 9$3,348 AUD
Retailer 5$3,414 AUD
Retailer 7$3,643 AUD
Retailer 3$3,693 AUD
Retailer 2$4,006 AUD
Retailer 11$4,425 AUD
Retailer 6$5,513 AUD
Retailer 4$6,543 AUD
Moon Ocean$8,124 AUD

41 data points across 12 retailers

19 retailers$2,387 AUD to $8,124 AUD

A
Cheapest Retailer
-
$2,387 AUD
HK$13,100 HKD
A
Retailer 2
-
$2,666 AUD
View
Retailer 3
-
$2,749 AUD
$1,931 USD
View
Price last confirmed 75 days ago
A
Retailer 4
-
$2,891 AUD
$2,031 USD
View
B+
Retailer 5
-
$2,954 AUD
$2,075 USD
View
Final sale: no returns
B+
Retailer 6
-
$3,200 AUD
$2,248 USD
View
B+
Retailer 7
-
$3,328 AUD
$2,337 USD
View
B+
Retailer 8
-
$3,348 AUD
$2,352 USD
View
B+
Retailer 9
-
$3,414 AUD
£1,888 GBP
View
Retailer 10
-
$3,612 AUD
$2,537 USD
View
Price last confirmed 61 days ago
B+
Retailer 11
-
$3,643 AUD
£2,015 GBP
View
B+
Retailer 12
-
$3,693 AUD
$2,594 USD
View
B+
Retailer 13
-
$4,006 AUD
€2,680 EUR
View
B+
Retailer 14
-
$4,425 AUD
€2,960 EUR
View
B
Retailer 15
-
$5,442 AUD
£3,010 GBP
View
B
Retailer 16
-
$5,513 AUD
£3,049 GBP
View
Retailer 17
-
$6,543 AUD
$4,596 USD
View
Price last confirmed 62 days ago
B
Retailer 18
-
$6,543 AUD
$4,596 USD
View
Most Expensive
B
Moon Ocean
NVN-C10C7CAE7-860 · Oct 30
$8,124 AUD
£4,493 GBP
View
18 more retailers have this diamond
Prices start from $2,387 AUDSave up to $5,737 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
$2,387 AUD