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Oval|Natural|GIA

1.20ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 6471585558

Certificate GIA 6471585558

Diamond specifications and retailer prices

From $3,189 USD
As of November 4, 2026
Save $4,444 USD (58%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,633 USD 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 I 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 6471585558. Listed at 25 retailers as of November 4, 2026, with prices from $3,189 to $7,633, a $4,444 spread on the same certified stone. NZ Jewellers lists it at $7,633. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.66°
Pavilion angle35.48°
OriginNatural
Grading LabGIA
CertificateGIA 6471585558
Dimensions8.13 × 5.91 × 3.72 mm
L/W Ratio1.38
Top View
8.13 mm5.91 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6471585558
Side View
Table 56.0%Crown 38.66°Girdle: MED-THKPavilion 35.48°Culet: NoneDepth 63.0%

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 4
Current: $4,412 USD|Low: $3,365 USD|High: $7,062 USD|Avg: $4,612 USD|-0.7%
Retailer 1
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 7$3,365 USD
Retailer 10$3,664 USD
Retailer 2$3,969 USD
Retailer 5$4,223 USD
Retailer 13$4,325 USD
Retailer 1$4,412 USD
Retailer 4$4,480 USD
Retailer 12$4,480 USD
Retailer 3$4,501 USD
Retailer 11$4,673 USD
Retailer 8$4,957 USD
Retailer 6$5,345 USD
Retailer 9$6,978 USD

43 data points across 13 retailers

25 retailers$3,189 USD to $7,633 USD

B+
Cheapest Retailer
-
$3,189 USD
B+
Retailer 2
-
$3,312 USD
View
B+
Retailer 3
-
$3,365 USD
View
B+
Retailer 4
-
$3,452 USD
View
B+
Retailer 5
-
$3,493 USD
View
Retailer 6
-
$3,560 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$3,664 USD
View
Final sale: no returns
B+
Retailer 8
-
$3,785 USD
View
B
Retailer 9
-
$3,960 USD
View
B
Retailer 10
-
$3,969 USD
View
Retailer 11
-
$3,969 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$3,969 USD
View
B
Retailer 13
-
$4,223 USD
View
B
Retailer 14
-
$4,412 USD
View
B
Retailer 15
-
$4,480 USD
View
B
Retailer 16
-
$4,480 USD
View
B
Retailer 17
-
$4,501 USD
View
B
Retailer 18
-
$4,580 USD
View
B
Retailer 19
-
$4,614 USD
View
B
Retailer 20
-
$4,630 USD
View
Retailer 21
-
$4,673 USD
View
Price last confirmed 28 days ago
B
Retailer 22
-
$4,957 USD
View
B
Retailer 23
-
$5,345 USD
View
B
Retailer 24
-
$6,978 USD
View
Most Expensive
B
NZ Jewellers
cea4c828-6781-4416-aa86-39bf35e45881 · Nov 5
$7,633 USD
View
24 more retailers have this diamond
Prices start from $3,189 USDSave up to $4,444 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
$3,189 USD