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Oval|Natural|GIA

1.20ct D SI2 Oval Natural Diamond

ID • D/SI2 • GIA 2566223748

Certificate GIA 2566223748

Diamond specifications and retailer prices

From $4,849 NZD
As of November 6, 2026
Save $6,344 NZD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,523 NZD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural oval diamond

This 1.2ct 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 2566223748. Listed at 20 retailers as of November 5, 2026, with a 131% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566223748
Dimensions8.22 × 5.95 × 3.79 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Indented Natural, Natural
Top View
8.22 mm5.95 mm1.20 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566223748
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.6%

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 6
Current: $11,523 NZD|Low: $4,802 NZD|High: $11,615 NZD|Avg: $7,203 NZD|-0.8%
Queensmith
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
November 6, 2026
Retailer 18$4,849 NZD
Retailer 2$5,029 NZD
Retailer 15$5,706 NZD
Retailer 10$5,809 NZD
Retailer 8$5,825 NZD
Retailer 7$5,929 NZD
Retailer 12$6,317 NZD
Retailer 6$6,425 NZD
Retailer 19$6,425 NZD
Retailer 14$6,649 NZD
Retailer 3$6,673 NZD
Retailer 11$6,685 NZD
Retailer 13$6,739 NZD
Retailer 9$6,819 NZD
Retailer 4$7,414 NZD
Retailer 17$7,519 NZD
Retailer 16$10,717 NZD
Retailer 5$11,193 NZD
Queensmith$11,523 NZD

23 data points across 19 retailers

20 retailers$4,849 NZD to $11,193 NZD

A
Cheapest Retailer
-
$4,849 NZD
A
Retailer 2
-
$5,029 NZD
View
A
Retailer 3
-
$5,706 NZD
View
A
Retailer 4
-
$5,809 NZD
View
A
Retailer 5
-
$5,825 NZD
View
A
Retailer 6
-
$5,929 NZD
View
Final sale: no returns
A
Retailer 7
-
$6,005 NZD
View
A
Retailer 8
-
$6,317 NZD
View
Retailer 9
-
$6,425 NZD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$6,425 NZD
View
B+
Retailer 11
-
$6,649 NZD
View
B+
Retailer 12
-
$6,673 NZD
View
B+
Retailer 13
-
$6,685 NZD
View
B+
Retailer 14
-
$6,739 NZD
View
B+
Retailer 15
-
$6,819 NZD
View
B+
Retailer 16
-
$7,414 NZD
View
B+
Retailer 17
-
$7,519 NZD
View
B
Retailer 18
-
$10,717 NZD
View
B
Retailer 19
-
$11,193 NZD
View
Most Expensive
Queensmith
2566223748 · Oct 28
$11,523 NZD
£5,030 GBP
View
Price last confirmed 9 days ago
19 more retailers have this diamond
Prices start from $4,849 NZDSave up to $6,344 NZD

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
$4,849 NZD