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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 $5,753 NZD
As of November 4, 2026
Save $8,017 NZD (58%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $13,769 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 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 $5,753 to $13,769, a $8,017 spread on the same certified stone. NZ Jewellers lists it at $13,769. 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
Colour
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: $7,959 NZD|Low: $6,070 NZD|High: $12,739 NZD|Avg: $8,319 NZD|-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$6,070 NZD
Retailer 10$6,609 NZD
Retailer 2$7,160 NZD
Retailer 5$7,618 NZD
Retailer 13$7,802 NZD
Retailer 1$7,959 NZD
Retailer 4$8,081 NZD
Retailer 12$8,081 NZD
Retailer 3$8,119 NZD
Retailer 11$8,430 NZD
Retailer 8$8,942 NZD
Retailer 6$9,642 NZD
Retailer 9$12,588 NZD

43 data points across 13 retailers

25 retailers$5,753 NZD to $13,769 NZD

B+
Cheapest Retailer
-
$5,753 NZD
B+
Retailer 2
-
$5,975 NZD
View
B+
Retailer 3
-
$6,070 NZD
View
B+
Retailer 4
-
$6,227 NZD
View
B+
Retailer 5
-
$6,301 NZD
View
Retailer 6
-
$6,422 NZD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$6,609 NZD
View
Final sale: no returns
B+
Retailer 8
-
$6,828 NZD
View
B
Retailer 9
-
$7,143 NZD
View
B
Retailer 10
-
$7,160 NZD
View
Retailer 11
-
$7,160 NZD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$7,160 NZD
View
B
Retailer 13
-
$7,618 NZD
View
B
Retailer 14
-
$7,959 NZD
View
B
Retailer 15
-
$8,081 NZD
View
B
Retailer 16
-
$8,081 NZD
View
B
Retailer 17
-
$8,119 NZD
View
B
Retailer 18
-
$8,262 NZD
View
B
Retailer 19
-
$8,323 NZD
View
B
Retailer 20
-
$8,352 NZD
View
Retailer 21
-
$8,430 NZD
View
Price last confirmed 29 days ago
B
Retailer 22
-
$8,942 NZD
View
B
Retailer 23
-
$9,642 NZD
View
B
Retailer 24
-
$12,588 NZD
View
Most Expensive
B
NZ Jewellers
cea4c828-6781-4416-aa86-39bf35e45881 · Nov 5
$13,769 NZD
$7,633 USD
View
24 more retailers have this diamond
Prices start from $5,753 NZDSave up to $8,017 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
$5,753 NZD