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Princess|Natural|GIA

1.20ct J SI1 Princess Natural Diamond

EX • J/SI1 • GIA 1568414075

Certificate GIA 1568414075

Diamond specifications and retailer prices

From $3,409 NZD
$1,918 USD
As of November 1, 2026
Save $2,892 NZD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,301 NZD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.2ct natural princess diamond

This 1.2ct natural princess 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 1568414075. Listed at 15 retailers as of November 1, 2026, with prices from $3,409 to $6,301, a $2,892 spread on the same certified stone. Helzberg Diamonds lists it at $6,301. 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
Crown angle30.67°
Pavilion angle38.26°
OriginNatural
Grading LabGIA
CertificateGIA 1568414075
Dimensions5.70 × 5.68 × 4.16 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.70 mm5.68 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568414075
Side View
Table 72.0%Crown 30.67°Girdle: STK-THKPavilion 38.26°Culet: NoneDepth 73.3%

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 1
Current: $6,301 NZD|Low: $3,409 NZD|High: $6,301 NZD|Avg: $4,196 NZD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 5$3,409 NZD
Retailer 7$3,451 NZD
Retailer 15$3,487 NZD
Retailer 11$3,516 NZD
Retailer 13$3,526 NZD
Retailer 10$3,537 NZD
Retailer 4$3,829 NZD
Retailer 8$3,849 NZD
Retailer 12$4,182 NZD
Retailer 3$4,466 NZD
Retailer 6$4,501 NZD
Retailer 2$4,936 NZD
Retailer 9$4,959 NZD
Retailer 14$5,359 NZD
Helzberg Diamonds$6,301 NZD

33 data points across 15 retailers

15 retailers$3,409 NZD to $6,301 NZD

B+
Cheapest Retailer
-
$3,409 NZD
$1,918 USD
B+
Retailer 2
-
$3,451 NZD
SGD 2,624 SGD
View
B+
Retailer 3
-
$3,487 NZD
$1,962 USD
View
B+
Retailer 4
-
$3,516 NZD
$1,978 USD
View
B+
Retailer 5
-
$3,526 NZD
$1,984 USD
View
B+
Retailer 6
-
$3,537 NZD
$1,990 USD
View
B
Retailer 7
-
$3,829 NZD
SGD 2,911 SGD
View
B+
Retailer 8
-
$3,849 NZD
£1,705 GBP
View
B+
Retailer 9
-
$4,182 NZD
$2,353 USD
View
B
Retailer 10
-
$4,466 NZD
$2,513 USD
View
B
Retailer 11
-
$4,936 NZD
€2,645 EUR
View
B
Retailer 12
-
$4,959 NZD
$2,790 USD
View
B
Retailer 13
-
$5,359 NZD
$3,015 USD
View
B
Retailer 14
-
$5,851 NZD
$3,292 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLMOKHKGNL · Nov 1
$6,301 NZD
$3,545 USD
View
14 more retailers have this diamond
Prices start from $3,409 NZDSave up to $2,892 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 Princess
$3,409 NZD