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Oval|Natural|GIA

1.20ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 6512783721

Certificate GIA 6512783721

Diamond specifications and retailer prices

From $6,638 NZD
As of November 6, 2026
Save $8,567 NZD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $15,205 NZD 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 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 6512783721. Listed at 19 retailers as of November 5, 2026, with prices from $6,638 to $15,205, a $8,567 spread on the same certified stone. NZ Jewellers lists it at $15,205. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle37.42°
Pavilion angle41.45°
OriginNatural
Grading LabGIA
CertificateGIA 6512783721
Dimensions8.39 × 6.03 × 3.78 mm
L/W Ratio1.39
Top View
8.39 mm6.03 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6512783721
Side View
Table 59.0%Crown 37.42°Girdle: MED-THKPavilion 41.45°Culet: NoneDepth 62.7%

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 6
Current: $15,205 NZD|Low: $6,638 NZD|High: $15,205 NZD|Avg: $9,231 NZD
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
November 6, 2026
Retailer 5$6,638 NZD
Retailer 10$6,949 NZD
Retailer 7$6,958 NZD
Retailer 9$7,062 NZD
Retailer 3$7,906 NZD
Retailer 4$7,906 NZD
Retailer 11$7,906 NZD
Retailer 12$8,372 NZD
Retailer 6$8,541 NZD
Retailer 13$9,124 NZD
Retailer 2$9,822 NZD
Retailer 8$13,865 NZD
NZ Jewellers$15,205 NZD

42 data points across 13 retailers

19 retailers$6,638 NZD to $15,205 NZD

B+
Cheapest Retailer
-
$6,638 NZD
B+
Retailer 2
-
$6,819 NZD
View
B+
Retailer 3
-
$6,949 NZD
View
Final sale: no returns
B+
Retailer 4
-
$6,958 NZD
View
B+
Retailer 5
-
$6,974 NZD
View
B+
Retailer 6
-
$7,062 NZD
View
B+
Retailer 7
-
$7,463 NZD
View
B
Retailer 8
-
$7,906 NZD
View
Retailer 9
-
$7,906 NZD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$7,906 NZD
View
B
Retailer 11
-
$8,036 NZD
View
B+
Retailer 12
-
$8,372 NZD
View
B+
Retailer 13
-
$8,541 NZD
View
B+
Retailer 14
-
$8,612 NZD
View
B
Retailer 15
-
$9,124 NZD
View
B
Retailer 16
-
$9,822 NZD
View
B
Retailer 17
-
$10,046 NZD
View
B
Retailer 18
-
$13,865 NZD
View
Most Expensive
B
NZ Jewellers
cd544772-3b57-44ce-ad10-b72fbde7a4b3 · Nov 5
$15,205 NZD
$8,429 USD
View
18 more retailers have this diamond
Prices start from $6,638 NZDSave up to $8,567 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.

B+
1.20ct Oval
$6,638 NZD