CaratHunter
Plans
Oval|Natural|GIA

1.21ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2537021463

Certificate GIA 2537021463

Diamond specifications and retailer prices

From $4,566 AUD
As of November 4, 2026
Save $6,337 AUD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,902 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic 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 2537021463. Listed at 20 retailers as of November 4, 2026, with prices from $4,566 to $10,902, a $6,337 spread on the same certified stone. NZ Jewellers lists it at $10,902. 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

1.21
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2537021463
Dimensions8.61 × 5.74 × 3.67 mm
L/W Ratio1.50
Top View
8.61 mm5.74 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537021463
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,300 AUD|Low: $4,566 AUD|High: $10,086 AUD|Avg: $6,598 AUD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$4,566 AUD
Retailer 3$4,988 AUD
Retailer 11$5,232 AUD
Retailer 2$5,414 AUD
Retailer 4$5,887 AUD
Retailer 9$6,168 AUD
Retailer 1$6,300 AUD
Retailer 12$6,673 AUD
Retailer 8$7,081 AUD
Retailer 5$7,638 AUD
Retailer 10$9,045 AUD
Retailer 6$9,940 AUD

46 data points across 12 retailers

20 retailers$4,566 AUD to $10,902 AUD

B+
Cheapest Retailer
-
$4,566 AUD
B+
Retailer 2
-
$4,988 AUD
View
B
Retailer 3
-
$5,232 AUD
View
Final sale: no returns
B+
Retailer 4
-
$5,414 AUD
View
Retailer 5
-
$5,669 AUD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$5,669 AUD
View
B
Retailer 7
-
$5,887 AUD
View
B
Retailer 8
-
$6,168 AUD
View
B
Retailer 9
-
$6,300 AUD
View
B
Retailer 10
-
$6,404 AUD
View
B
Retailer 11
-
$6,404 AUD
View
B
Retailer 12
-
$6,541 AUD
View
B
Retailer 13
-
$6,608 AUD
View
B
Retailer 14
-
$6,609 AUD
View
Retailer 15
-
$6,673 AUD
View
Price last confirmed 28 days ago
B
Retailer 16
-
$7,081 AUD
View
B
Retailer 17
-
$7,638 AUD
View
B
Retailer 18
-
$9,045 AUD
View
B
Retailer 19
-
$9,940 AUD
View
Most Expensive
B
NZ Jewellers
81d4bb3b-4d45-438a-afe8-31a16914d4ec · Nov 5
$10,902 AUD
$7,491 USD
View
19 more retailers have this diamond
Prices start from $4,566 AUDSave up to $6,337 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.

B+
1.21ct Oval
$4,566 AUD