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Oval|Natural|GIA

1.20ct K SI1 Oval Natural Diamond

ID • K/SI1 • GIA 6365749321

Certificate GIA 6365749321

Diamond specifications and retailer prices

From $4,315 NZD
As of November 6, 2026
Save $5,971 NZD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,286 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6365749321. Listed at 15 retailers as of November 5, 2026, with prices from $4,315 to $10,286, a $5,971 spread on the same certified stone. NZ Jewellers lists it at $10,286. 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
K
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6365749321
Dimensions8.36 × 5.96 × 3.66 mm
L/W Ratio1.40
Top View
8.36 mm5.96 mm1.20 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6365749321
Side View
Table 59.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 61.3%

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: $10,286 NZD|Low: $4,843 NZD|High: $10,286 NZD|Avg: $6,189 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$4,843 NZD
Retailer 10$4,921 NZD
Retailer 7$5,073 NZD
Retailer 6$5,109 NZD
Retailer 3$5,208 NZD
Retailer 9$5,677 NZD
Retailer 4$6,005 NZD
Retailer 2$6,108 NZD
Retailer 5$8,392 NZD
NZ Jewellers$10,286 NZD

45 data points across 10 retailers

15 retailers$4,315 NZD to $10,286 NZD

B+
Cheapest Retailer
-
$4,315 NZD
B+
Retailer 2
-
$4,407 NZD
View
B+
Retailer 3
-
$4,558 NZD
View
B
Retailer 4
-
$4,843 NZD
View
Retailer 5
-
$4,921 NZD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,921 NZD
View
B+
Retailer 7
-
$5,073 NZD
View
B+
Retailer 8
-
$5,109 NZD
View
B+
Retailer 9
-
$5,174 NZD
View
B+
Retailer 10
-
$5,208 NZD
View
B
Retailer 11
-
$5,677 NZD
View
B
Retailer 12
-
$6,005 NZD
View
B
Retailer 13
-
$6,108 NZD
View
B
Retailer 14
-
$8,392 NZD
View
Most Expensive
B
NZ Jewellers
ad48bb8c-3d38-4bf6-abac-730706f6c1bb · Nov 5
$10,286 NZD
$5,702 USD
View
14 more retailers have this diamond
Prices start from $4,315 NZDSave up to $5,971 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
$4,315 NZD