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Oval|Natural|GIA

1.21ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 6545615326

Certificate GIA 6545615326

Diamond specifications and retailer prices

From $2,125 AUD
As of November 5, 2026
Save $1,975 AUD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,099 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545615326. Listed at 13 retailers as of November 5, 2026, with prices from $2,125 to $4,099, a $1,975 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,099. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.72°
Pavilion angle39.57°
OriginNatural
Grading LabGIA
CertificateGIA 6545615326
Dimensions8.30 × 5.97 × 3.75 mm
L/W Ratio1.39
Top View
8.30 mm5.97 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545615326
Side View
Table 60.0%Crown 39.72°Girdle: STK-THKPavilion 39.57°Culet: NoneDepth 62.8%

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 5
Current: $3,107 AUD|Low: $2,112 AUD|High: $4,258 AUD|Avg: $2,973 AUD|-5.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 5$2,125 AUD
Retailer 7$2,476 AUD
Retailer 8$2,476 AUD
Retailer 2$2,695 AUD
Retailer 4$2,711 AUD
Retailer 3$2,752 AUD
Retailer 9$2,954 AUD
Retailer 10$2,969 AUD
Retailer 1$3,107 AUD
Retailer 11$3,237 AUD
Retailer 6$3,487 AUD
Wholesale Diamonds Direct$4,099 AUD

32 data points across 12 retailers

13 retailers$2,125 AUD to $4,099 AUD

A
Cheapest Retailer
-
$2,125 AUD
A
Retailer 2
-
$2,476 AUD
View
A
Retailer 3
-
$2,476 AUD
View
A
Retailer 4
-
$2,695 AUD
View
A
Retailer 5
-
$2,711 AUD
View
A
Retailer 6
-
$2,752 AUD
View
A
Retailer 7
-
$2,954 AUD
View
A
Retailer 8
-
$2,969 AUD
View
A
Retailer 9
-
$3,107 AUD
View
A
Retailer 10
-
$3,141 AUD
View
A
Retailer 11
-
$3,237 AUD
View
A
Retailer 12
-
$3,487 AUD
View
Most Expensive
B+
Wholesale Diamonds Direct
671258009 · Nov 6
$4,099 AUD
$2,817 USD
View
12 more retailers have this diamond
Prices start from $2,125 AUDSave up to $1,975 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
$2,125 AUD