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Oval|Natural|GIA

1.20ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 5241085728

Certificate GIA 5241085728

Diamond specifications and retailer prices

From $3,925 NZD
As of November 6, 2026
Save $7,216 NZD (65%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,141 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 G 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 5241085728. Listed at 13 retailers as of November 5, 2026, with prices from $3,925 to $11,141, a $7,216 spread on the same certified stone. NZ Jewellers lists it at $11,141. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle35.75°
OriginNatural
Grading LabGIA
CertificateGIA 5241085728
Dimensions8.21 × 5.80 × 3.74 mm
L/W Ratio1.42
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather, Needle
Top View
8.21 mm5.80 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5241085728
Side View
Table 57.0%CrownGirdle: STK-VTKPavilion 35.75°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $11,141 NZD|Low: $3,925 NZD|High: $11,402 NZD|Avg: $6,373 NZD|+12.1%
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 3$3,925 NZD
Retailer 10$4,623 NZD
Retailer 4$5,018 NZD
Retailer 6$5,168 NZD
Retailer 12$5,329 NZD
Retailer 7$5,466 NZD
Retailer 13$5,534 NZD
Retailer 11$5,785 NZD
Retailer 8$6,195 NZD
Retailer 2$6,651 NZD
Retailer 5$8,448 NZD
Retailer 9$8,886 NZD
NZ Jewellers$11,141 NZD

25 data points across 13 retailers

13 retailers$3,925 NZD to $11,141 NZD

A
Cheapest Retailer
-
$3,925 NZD
Retailer 2
-
$4,623 NZD
View
Price last confirmed 3 days ago
A
Retailer 3
-
$5,018 NZD
View
A
Retailer 4
-
$5,168 NZD
View
A
Retailer 5
-
$5,329 NZD
View
A
Retailer 6
-
$5,466 NZD
View
B+
Retailer 7
-
$5,534 NZD
View
B+
Retailer 8
-
$5,785 NZD
View
B+
Retailer 9
-
$6,195 NZD
View
B+
Retailer 10
-
$6,651 NZD
View
Retailer 11
-
$8,448 NZD
View
Price last confirmed 17 days ago
B
Retailer 12
-
$8,886 NZD
View
Most Expensive
B
NZ Jewellers
62d0dd81-8892-46e2-83b0-45d957ac0695 · Nov 5
$11,141 NZD
$6,176 USD
View
12 more retailers have this diamond
Prices start from $3,925 NZDSave up to $7,216 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.

A
1.20ct Oval
$3,925 NZD