Oval|Natural|GIA

1.20ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 6512783721

Certificate GIA 6512783721

Diamond specifications and retailer prices

From $3,680 USD
As of October 29, 2026
Save $4,749 USD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,429 USD 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 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 October 29, 2026, with prices from $3,680 to $8,429, a $4,749 spread on the same certified stone. NZ Jewellers lists it at $8,429. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $8,429 USD|Low: $3,502 USD|High: $8,429 USD|Avg: $5,105 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 4$3,680 USD
Retailer 8$3,852 USD
Retailer 7$3,915 USD
Retailer 3$4,383 USD
Retailer 9$4,383 USD
Retailer 12$4,383 USD
Retailer 10$4,641 USD
Retailer 2$4,811 USD
Retailer 11$5,058 USD
Retailer 6$5,466 USD
Retailer 5$7,747 USD
NZ Jewellers$8,429 USD

42 data points across 12 retailers

19 retailers$3,680 USD to $8,429 USD

B+
Cheapest Retailer
-
$3,680 USD
B+
Retailer 2
-
$3,780 USD
View
B+
Retailer 3
-
$3,852 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,857 USD
View
B+
Retailer 5
-
$3,867 USD
View
B+
Retailer 6
-
$3,915 USD
View
B+
Retailer 7
-
$4,138 USD
CA$5,747 CAD
View
B
Retailer 8
-
$4,383 USD
View
B
Retailer 9
-
$4,383 USD
View
B
Retailer 10
-
$4,383 USD
View
B
Retailer 11
-
$4,455 USD
View
B+
Retailer 12
-
$4,641 USD
View
B+
Retailer 13
-
$4,774 USD
View
B+
Retailer 14
-
$4,811 USD
£3,788 GBP
View
B
Retailer 15
-
$5,058 USD
View
B
Retailer 16
-
$5,466 USD
€5,206 EUR
View
B
Retailer 17
-
$5,569 USD
View
B
Retailer 18
-
$7,747 USD
£6,100 GBP
View
Most Expensive
B
NZ Jewellers
cd544772-3b57-44ce-ad10-b72fbde7a4b3 · Oct 30
$8,429 USD
View
18 more retailers have this diamond
Prices start from $3,680 USDSave up to $4,749 USD

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
$3,680 USD