Oval|Natural|GIA

1.21ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 2235952815

Certificate GIA 2235952815

Diamond specifications and retailer prices

From $3,061 AUD
HK$16,800 HKD
As of October 31, 2026
Save $5,627 AUD (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,688 AUD at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235952815. Listed at 10 retailers as of October 30, 2026, with prices from $3,061 to $8,688, a $5,627 spread on the same certified stone. NZ Jewellers lists it at $8,688. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle38.13°
OriginNatural
Grading LabGIA
CertificateGIA 2235952815
Dimensions8.23 × 5.90 × 3.84 mm
L/W Ratio1.39
Key to symbols
Crystal, Feather, Needle
Top View
8.23 mm5.90 mm1.21 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235952815
Side View
Table 61.0%CrownGirdle: STK-THKPavilion 38.13°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $8,688 AUD|Low: $3,043 AUD|High: $8,989 AUD|Avg: $5,079 AUD|+8.7%
NZ Jewellers
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 7$3,061 AUD
Retailer 12$3,639 AUD
Retailer 6$3,825 AUD
Retailer 5$4,043 AUD
Retailer 9$4,315 AUD
Retailer 11$4,337 AUD
Retailer 3$4,588 AUD
Retailer 8$4,843 AUD
Retailer 4$5,887 AUD
Retailer 10$6,413 AUD
Retailer 2$7,084 AUD
NZ Jewellers$8,688 AUD

36 data points across 12 retailers

10 retailers$3,061 AUD to $8,688 AUD

A
Cheapest Retailer
-
$3,061 AUD
HK$16,800 HKD
A
Retailer 2
-
$3,825 AUD
$2,687 USD
View
A
Retailer 3
-
$4,043 AUD
$2,840 USD
View
A
Retailer 4
-
$4,315 AUD
$3,031 USD
View
A
Retailer 5
-
$4,337 AUD
SGD 4,117 SGD
View
A
Retailer 6
-
$4,588 AUD
View
A
Retailer 7
-
$4,843 AUD
€3,240 EUR
View
Retailer 8
-
$6,413 AUD
€4,290 EUR
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$7,084 AUD
£3,918 GBP
View
Most Expensive
B
NZ Jewellers
abaa0005-c059-4fee-95de-7c0d767a8019 · Oct 30
$8,688 AUD
$6,103 USD
View
9 more retailers have this diamond
Prices start from $3,061 AUDSave up to $5,627 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
$3,061 AUD