Oval|Natural|GIA

1.21ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2235885504

Certificate GIA 2235885504

Diamond specifications and retailer prices

From $2,496 AUD
As of November 6, 2026
Save $4,609 AUD (65%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,105 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 2235885504. Listed at 14 retailers as of November 5, 2026, with prices from $2,496 to $7,105, a $4,609 spread on the same certified stone. NZ Jewellers lists it at $7,105. 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
Pavilion angle36.97°
OriginNatural
Grading LabGIA
CertificateGIA 2235885504
Dimensions8.16 × 5.87 × 3.82 mm
L/W Ratio1.39
Key to symbols
Crystal, Feather, Needle
Top View
8.16 mm5.87 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235885504
Side View
Table 59.0%CrownGirdle: STK-THKPavilion 36.97°Culet: NoneDepth 65.1%

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 6
Current: $7,105 AUD|Low: $2,496 AUD|High: $7,555 AUD|Avg: $4,270 AUD|-6.0%
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
November 6, 2026
Retailer 13$2,496 AUD
Retailer 4$3,173 AUD
Retailer 5$3,225 AUD
Retailer 2$3,296 AUD
Retailer 3$3,398 AUD
Retailer 6$3,474 AUD
Retailer 12$3,556 AUD
Retailer 9$3,599 AUD
Retailer 11$3,727 AUD
Retailer 7$4,226 AUD
Retailer 10$5,180 AUD
Retailer 8$5,938 AUD
NZ Jewellers$7,105 AUD

31 data points across 13 retailers

14 retailers$2,496 AUD to $7,105 AUD

A
Cheapest Retailer
-
$2,496 AUD
A
Retailer 2
-
$3,173 AUD
View
A
Retailer 3
-
$3,225 AUD
View
Final sale: no returns
A
Retailer 4
-
$3,296 AUD
View
A
Retailer 5
-
$3,398 AUD
View
A
Retailer 6
-
$3,474 AUD
View
A
Retailer 7
-
$3,556 AUD
View
B+
Retailer 8
-
$3,599 AUD
View
A
Retailer 9
-
$3,727 AUD
View
B+
Retailer 10
-
$3,857 AUD
View
B+
Retailer 11
-
$4,226 AUD
View
B+
Retailer 12
-
$5,180 AUD
View
B
Retailer 13
-
$5,938 AUD
View
Most Expensive
B
NZ Jewellers
f2c76e6b-8d0f-4960-8497-6b0627693bb3 · Nov 5
$7,105 AUD
$4,882 USD
View
13 more retailers have this diamond
Prices start from $2,496 AUDSave up to $4,609 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
1.21ct Oval
$2,496 AUD