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Oval|Natural|GIA

1.20ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 5566226691

Certificate GIA 5566226691

Diamond specifications and retailer prices

From $3,296 AUD
₹220,501 INR
As of November 1, 2026
Save $4,344 AUD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,640 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural oval diamond

This 1.2ct natural oval sits in the classic one-carat band, graded J 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 5566226691. Listed at 21 retailers as of October 30, 2026, with prices from $3,296 to $7,640, a $4,344 spread on the same certified stone. NZ Jewellers lists it at $7,640. 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

1.20
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5566226691
Dimensions8.50 × 5.87 × 3.70 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Pinpoint, Natural
Top View
8.50 mm5.87 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5566226691
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.1%

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 1
Current: $7,640 AUD|Low: $3,288 AUD|High: $7,640 AUD|Avg: $4,867 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
November 1, 2026
Retailer 2$3,296 AUD
Retailer 6$3,478 AUD
Retailer 7$4,278 AUD
Retailer 3$4,385 AUD
Retailer 5$4,385 AUD
Retailer 12$4,520 AUD
Retailer 9$4,544 AUD
Retailer 13$4,554 AUD
Retailer 14$4,709 AUD
Retailer 11$4,809 AUD
Retailer 4$5,059 AUD
Retailer 10$5,390 AUD
Retailer 8$7,333 AUD
NZ Jewellers$7,640 AUD

29 data points across 14 retailers

21 retailers$3,296 AUD to $7,640 AUD

B+
Cheapest Retailer
-
$3,296 AUD
₹220,501 INR
B+
Retailer 2
-
$3,478 AUD
$2,443 USD
View
Final sale: no returns
B
Retailer 3
-
$3,744 AUD
$2,630 USD
View
B+
Retailer 4
-
$3,928 AUD
$2,759 USD
View
B
Retailer 5
-
$4,177 AUD
$2,934 USD
View
B
Retailer 6
-
$4,264 AUD
$2,995 USD
View
B+
Retailer 7
-
$4,278 AUD
£2,366 GBP
View
B
Retailer 8
-
$4,385 AUD
$3,080 USD
View
B
Retailer 9
-
$4,385 AUD
$3,080 USD
View
B
Retailer 10
-
$4,520 AUD
$3,175 USD
View
B
Retailer 11
-
$4,544 AUD
£2,513 GBP
View
B
Retailer 12
-
$4,554 AUD
$3,199 USD
View
Retailer 13
-
$4,647 AUD
View
Price last confirmed 36 days ago
B
Retailer 14
-
$4,709 AUD
$3,308 USD
View
B
Retailer 15
-
$4,809 AUD
€3,217 EUR
View
B
Retailer 16
-
$4,883 AUD
$3,430 USD
View
B
Retailer 17
-
$4,930 AUD
$3,463 USD
View
B
Retailer 18
-
$5,059 AUD
$3,554 USD
View
B
Retailer 19
-
$5,390 AUD
ZAR 61,170 ZAR
View
B
Retailer 20
-
$7,333 AUD
£4,056 GBP
View
Most Expensive
B
NZ Jewellers
f17d93bc-fafd-4da0-a1e8-e7dd0dfa4db8 · Oct 30
$7,640 AUD
$5,367 USD
View
20 more retailers have this diamond
Prices start from $3,296 AUDSave up to $4,344 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+
1.20ct Oval
$3,296 AUD