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Radiant|Natural|GIA

0.91ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 2557190553

Certificate GIA 2557190553

Diamond specifications and retailer prices

From $1,294 AUD
HK$7,100 HKD
As of November 1, 2026
Save $3,198 AUD (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,491 AUD at Moon Ocean · As of November 1, 2026
View at Moon Ocean

About this 0.91ct natural radiant diamond

This 0.91ct natural radiant sits in the just-under-one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557190553. Listed at 14 retailers as of November 1, 2026, with prices from $1,294 to $4,491, a $3,198 spread on the same certified stone. Moon Ocean lists it at $4,491. 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

0.91
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557190553
Dimensions6.28 × 4.89 × 3.38 mm
L/W Ratio1.28
Top View
6.28 mm4.89 mm0.91 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557190553
Side View
Table 60.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 69.1%

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: Nov 1
Current: $4,491 AUD|Low: $1,274 AUD|High: $4,644 AUD|Avg: $2,198 AUD|-3.3%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10$1,294 AUD
Retailer 2$1,303 AUD
Retailer 3$1,602 AUD
Retailer 6$1,735 AUD
Retailer 5$1,802 AUD
Retailer 12$1,811 AUD
Retailer 4$1,888 AUD
Retailer 11$1,935 AUD
Retailer 9$2,003 AUD
Retailer 7$3,196 AUD
Retailer 8$4,232 AUD
Moon Ocean$4,491 AUD

34 data points across 12 retailers

14 retailers$1,294 AUD to $4,491 AUD

A
Cheapest Retailer
-
$1,294 AUD
HK$7,100 HKD
A
Retailer 2
-
$1,303 AUD
₹87,175 INR
View
B+
Retailer 3
-
$1,602 AUD
$1,125 USD
View
Final sale: no returns
A
Retailer 4
-
$1,735 AUD
$1,219 USD
View
A
Retailer 5
-
$1,802 AUD
$1,266 USD
View
A
Retailer 6
-
$1,811 AUD
SGD 1,719 SGD
View
A
Retailer 7
-
$1,888 AUD
$1,326 USD
View
A
Retailer 8
-
$1,935 AUD
$1,359 USD
View
B+
Retailer 9
-
$2,003 AUD
$1,407 USD
View
Retailer 10
-
$2,003 AUD
$1,407 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$2,136 AUD
View
B+
Retailer 12
-
$3,196 AUD
£1,768 GBP
View
B
Retailer 13
-
$4,232 AUD
$2,973 USD
View
Most Expensive
B
Moon Ocean
NVN-A2691B20A-553 · Nov 1
$4,491 AUD
£2,484 GBP
View
13 more retailers have this diamond
Prices start from $1,294 AUDSave up to $3,198 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
0.91ct Radiant
$1,294 AUD