Round|Natural|GIA

0.90ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2557977898

Certificate GIA 2557977898

Diamond specifications and retailer prices

From $1,895 AUD
HK$10,400 HKD
As of October 30, 2026
Save $4,350 AUD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,245 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 2557977898. Listed at 14 retailers as of October 30, 2026, with prices from $1,895 to $6,245, a $4,350 spread on the same certified stone. NZ Jewellers lists it at $6,245. 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
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557977898
Dimensions6.12 × 6.17 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
6.12 mm6.17 mm0.90 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557977898
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°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: $6,245 AUD|Low: $1,895 AUD|High: $6,611 AUD|Avg: $3,276 AUD|-5.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 14$1,895 AUD
Retailer 2$1,936 AUD
Retailer 13$2,333 AUD
Retailer 10$2,561 AUD
Retailer 12$2,561 AUD
Retailer 3$2,667 AUD
Retailer 11$2,679 AUD
Retailer 7$2,756 AUD
Retailer 8$2,854 AUD
Retailer 4$2,954 AUD
Retailer 9$3,505 AUD
Retailer 6$3,723 AUD
Retailer 5$4,515 AUD
NZ Jewellers$6,245 AUD

31 data points across 14 retailers

14 retailers$1,895 AUD to $6,245 AUD

A
Cheapest Retailer
-
$1,895 AUD
HK$10,400 HKD
A
Retailer 2
-
$1,936 AUD
₹129,530 INR
View
A
Retailer 3
-
$2,333 AUD
$1,639 USD
View
A
Retailer 4
-
$2,561 AUD
$1,799 USD
View
A
Retailer 5
-
$2,561 AUD
$1,799 USD
View
A
Retailer 6
-
$2,667 AUD
SGD 2,532 SGD
View
A
Retailer 7
-
$2,679 AUD
$1,882 USD
View
A
Retailer 8
-
$2,756 AUD
$1,936 USD
View
A
Retailer 9
-
$2,854 AUD
£1,578 GBP
View
A
Retailer 10
-
$2,954 AUD
$2,075 USD
View
B+
Retailer 11
-
$3,505 AUD
€2,345 EUR
View
Retailer 12
-
$3,723 AUD
$2,615 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$4,515 AUD
£2,497 GBP
View
Most Expensive
B
NZ Jewellers
eef0e2b5-4f52-498a-bd06-859a88c12afe · Oct 30
$6,245 AUD
$4,387 USD
View
13 more retailers have this diamond
Prices start from $1,895 AUDSave up to $4,350 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
$1,895 AUD