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Oval|Natural|GIA

0.91ct I SI1 Oval Natural Diamond

ID • I/SI1 • GIA 1538231087

Certificate GIA 1538231087

Diamond specifications and retailer prices

From $1,658 AUD
HK$9,100 HKD
As of October 30, 2026
Save $3,689 AUD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,347 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.91ct natural oval diamond

This 0.91ct natural oval sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1538231087. Listed at 20 retailers as of October 27, 2026, with prices from $1,658 to $5,347, a $3,689 spread on the same certified stone. NZ Jewellers lists it at $5,347. 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
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1538231087
Dimensions7.66 × 5.48 × 3.39 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather
Top View
7.66 mm5.48 mm0.91 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1538231087
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.9%

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: $5,347 AUD|Low: $1,658 AUD|High: $5,347 AUD|Avg: $2,700 AUD
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
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 6$1,658 AUD
Retailer 10$1,762 AUD
Retailer 5$2,023 AUD
Retailer 4$2,114 AUD
Retailer 3$2,192 AUD
Retailer 15$2,192 AUD
Retailer 9$2,207 AUD
Retailer 16$2,293 AUD
Retailer 8$2,331 AUD
Retailer 7$2,386 AUD
Retailer 2$2,448 AUD
Retailer 17$2,530 AUD
Retailer 12$2,990 AUD
Retailer 13$3,203 AUD
Retailer 14$3,846 AUD
Retailer 11$4,243 AUD
NZ Jewellers$5,347 AUD

23 data points across 17 retailers

20 retailers$1,658 AUD to $5,347 AUD

A
Cheapest Retailer
-
$1,658 AUD
HK$9,100 HKD
A
Retailer 2
-
$1,762 AUD
₹117,896 INR
View
B+
Retailer 3
-
$2,023 AUD
$1,421 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,114 AUD
$1,485 USD
View
B+
Retailer 5
-
$2,150 AUD
$1,510 USD
View
B+
Retailer 6
-
$2,192 AUD
$1,540 USD
View
B+
Retailer 7
-
$2,192 AUD
$1,540 USD
View
B+
Retailer 8
-
$2,207 AUD
$1,550 USD
View
B+
Retailer 9
-
$2,293 AUD
$1,611 USD
View
B+
Retailer 10
-
$2,331 AUD
SGD 2,213 SGD
View
Retailer 11
-
$2,386 AUD
$1,676 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$2,448 AUD
£1,354 GBP
View
B+
Retailer 13
-
$2,530 AUD
$1,777 USD
View
B
Retailer 14
-
$2,626 AUD
View
Retailer 15
-
$2,875 AUD
View
Price last confirmed 27 days ago
B+
Retailer 16
-
$2,990 AUD
€2,000 EUR
View
B
Retailer 17
-
$3,203 AUD
ZAR 36,348 ZAR
View
Retailer 18
-
$3,846 AUD
£2,127 GBP
View
Price last confirmed 8 days ago
B
Retailer 19
-
$4,243 AUD
£2,347 GBP
View
Most Expensive
B
NZ Jewellers
d80900c9-a5e4-457e-82d0-33ffe4540ac9 · Oct 27
$5,347 AUD
$3,756 USD
View
19 more retailers have this diamond
Prices start from $1,658 AUDSave up to $3,689 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 Oval
$1,658 AUD