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Oval|Natural|GIA

1.20ct E SI2 Oval Natural Diamond

EX • E/SI2 • GIA 6551712689

Certificate GIA 6551712689

Diamond specifications and retailer prices

From $3,707 AUD
As of November 5, 2026
Save $4,830 AUD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,537 AUD at NZ Jewellers · As of November 5, 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 E 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 6551712689. Listed at 20 retailers as of November 5, 2026, with prices from $3,707 to $8,537, a $4,830 spread on the same certified stone. NZ Jewellers lists it at $8,537. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.3°
Pavilion angle38.5°
OriginNatural
Grading LabGIA
CertificateGIA 6551712689
Dimensions8.07 × 5.93 × 3.85 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizeNone
Top View
8.07 mm5.93 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551712689
Side View
Table 63.0%Crown 40.3°Girdle: THN-THKPavilion 38.5°Culet: NoneDepth 64.9%

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: $8,537 AUD|Low: $3,707 AUD|High: $8,665 AUD|Avg: $5,145 AUD|-1.5%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 19$3,707 AUD
Retailer 10$3,972 AUD
Retailer 2$3,975 AUD
Retailer 18$4,098 AUD
Retailer 11$4,139 AUD
Retailer 5$4,440 AUD
Retailer 12$4,506 AUD
Retailer 8$4,611 AUD
Retailer 13$4,659 AUD
Retailer 4$4,785 AUD
Retailer 14$4,819 AUD
Retailer 3$5,050 AUD
Retailer 6$5,050 AUD
Retailer 16$5,071 AUD
Retailer 17$5,123 AUD
Retailer 15$5,210 AUD
Retailer 9$5,792 AUD
Retailer 20$5,814 AUD
Retailer 7$8,254 AUD
NZ Jewellers$8,537 AUD

24 data points across 20 retailers

20 retailers$3,707 AUD to $8,537 AUD

A
Cheapest Retailer
-
$3,707 AUD
A
Retailer 2
-
$3,972 AUD
View
A
Retailer 3
-
$3,975 AUD
View
A
Retailer 4
-
$4,098 AUD
View
Final sale: no returns
A
Retailer 5
-
$4,139 AUD
View
A
Retailer 6
-
$4,440 AUD
View
Retailer 7
-
$4,506 AUD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$4,611 AUD
View
A
Retailer 9
-
$4,659 AUD
View
A
Retailer 10
-
$4,785 AUD
View
A
Retailer 11
-
$4,819 AUD
View
A
Retailer 12
-
$5,050 AUD
View
A
Retailer 13
-
$5,050 AUD
View
A
Retailer 14
-
$5,071 AUD
View
A
Retailer 15
-
$5,123 AUD
View
B+
Retailer 16
-
$5,210 AUD
View
B+
Retailer 17
-
$5,792 AUD
View
B+
Retailer 18
-
$5,814 AUD
View
B
Retailer 19
-
$8,254 AUD
View
Most Expensive
B
NZ Jewellers
25dc1caa-099d-474c-ac20-daffdf7243e3 · Nov 5
$8,537 AUD
$5,866 USD
View
19 more retailers have this diamond
Prices start from $3,707 AUDSave up to $4,830 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
1.20ct Oval
$3,707 AUD