CaratHunter
Plans
Oval|Natural|GIA

1.20ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 1543029754

Certificate GIA 1543029754

Diamond specifications and retailer prices

From $2,385 NZD
HK$10,500 HKD
As of October 31, 2026
Save $5,538 NZD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,922 NZD 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 J 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 1543029754. Listed at 10 retailers as of October 30, 2026, with prices from $2,385 to $7,922, a $5,538 spread on the same certified stone. NZ Jewellers lists it at $7,922. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.13°
OriginNatural
Grading LabGIA
CertificateGIA 1543029754
Dimensions8.19 × 5.84 × 3.71 mm
L/W Ratio1.40
Key to symbols
Crystal, Knot, Feather, Needle
Top View
8.19 mm5.84 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543029754
Side View
Table 60.0%CrownGirdle: STK-THKPavilion 35.13°Culet: NoneDepth 63.5%

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: Oct 31
Current: $7,922 NZD|Low: $2,362 NZD|High: $8,566 NZD|Avg: $4,185 NZD|-7.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$2,385 NZD
Retailer 2$3,064 NZD
Retailer 6$3,249 NZD
Retailer 10$3,302 NZD
Retailer 9$3,317 NZD
Retailer 7$3,398 NZD
Retailer 8$3,597 NZD
Retailer 4$4,445 NZD
Retailer 5$5,721 NZD
NZ Jewellers$7,922 NZD

32 data points across 10 retailers

10 retailers$2,385 NZD to $7,922 NZD

A
Cheapest Retailer
-
$2,385 NZD
HK$10,500 HKD
A
Retailer 2
-
$3,064 NZD
$1,727 USD
View
A
Retailer 3
-
$3,249 NZD
$1,831 USD
View
B+
Retailer 4
-
$3,302 NZD
$1,861 USD
View
Final sale: no returns
A
Retailer 5
-
$3,317 NZD
SGD 2,526 SGD
View
B+
Retailer 6
-
$3,398 NZD
$1,915 USD
View
B+
Retailer 7
-
$3,597 NZD
$2,027 USD
View
B+
Retailer 8
-
$4,445 NZD
€2,386 EUR
View
B
Retailer 9
-
$5,721 NZD
£2,539 GBP
View
Most Expensive
B
NZ Jewellers
e8d40a08-bbda-461f-9049-c2ef64dd678a · Oct 30
$7,922 NZD
$4,465 USD
View
9 more retailers have this diamond
Prices start from $2,385 NZDSave up to $5,538 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
$2,385 NZD