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Oval|Natural|GIA

1.21ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 1525879072

Certificate GIA 1525879072

Diamond specifications and retailer prices

From $3,043 AUD
HK$16,700 HKD
As of November 1, 2026
Save $5,479 AUD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,522 AUD at NZ Jewellers · As of October 27, 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 H 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 1525879072. Listed at 16 retailers as of October 27, 2026, with prices from $3,043 to $8,522, a $5,479 spread on the same certified stone. NZ Jewellers lists it at $8,522. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1525879072
Dimensions8.29 × 5.92 × 3.80 mm
L/W Ratio1.40
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural, Natural
Top View
8.29 mm5.92 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525879072
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.2%

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 1
Current: $8,522 AUD|Low: $3,007 AUD|High: $8,522 AUD|Avg: $4,473 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
November 1, 2026
Retailer 10$3,043 AUD
Retailer 8$3,512 AUD
Retailer 5$3,652 AUD
Retailer 13$3,716 AUD
Retailer 4$3,761 AUD
Retailer 2$4,030 AUD
Retailer 3$4,076 AUD
Retailer 15$4,076 AUD
Retailer 7$4,224 AUD
Retailer 14$4,234 AUD
Retailer 6$4,279 AUD
Retailer 9$4,358 AUD
Retailer 16$4,704 AUD
Retailer 11$4,773 AUD
Retailer 12$6,854 AUD
NZ Jewellers$8,522 AUD

34 data points across 16 retailers

16 retailers$3,043 AUD to $8,522 AUD

A
Cheapest Retailer
-
$3,043 AUD
HK$16,700 HKD
A
Retailer 2
-
$3,512 AUD
$2,467 USD
View
A
Retailer 3
-
$3,652 AUD
$2,565 USD
View
A
Retailer 4
-
$3,716 AUD
$2,610 USD
View
B+
Retailer 5
-
$3,761 AUD
$2,642 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,030 AUD
£2,229 GBP
View
B+
Retailer 7
-
$4,076 AUD
$2,863 USD
View
Retailer 8
-
$4,076 AUD
$2,863 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$4,224 AUD
SGD 4,010 SGD
View
Retailer 10
-
$4,234 AUD
$2,974 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$4,279 AUD
$3,005 USD
View
B+
Retailer 12
-
$4,358 AUD
£2,410 GBP
View
B+
Retailer 13
-
$4,704 AUD
$3,304 USD
View
B+
Retailer 14
-
$4,773 AUD
€3,193 EUR
View
B
Retailer 15
-
$6,854 AUD
£3,791 GBP
View
Most Expensive
B
NZ Jewellers
3c57143c-3695-4534-bee0-104303e4783b · Oct 27
$8,522 AUD
$5,986 USD
View
15 more retailers have this diamond
Prices start from $3,043 AUDSave up to $5,479 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
$3,043 AUD