CaratHunter
Plans
Marquise|Natural|GIA

1.02ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 3565590413

Certificate GIA 3565590413

Diamond specifications and retailer prices

From $4,409 NZD
$2,481 USD
As of November 1, 2026
Save $3,556 NZD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,966 NZD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565590413. Listed at 12 retailers as of November 1, 2026, with prices from $4,409 to $7,966, a $3,556 spread on the same certified stone. Helzberg Diamonds lists it at $7,966. 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

1.02
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.17°
OriginNatural
Grading LabGIA
CertificateGIA 3565590413
Dimensions10.96 × 5.24 × 3.04 mm
L/W Ratio2.09
Culet sizeNone
Top View
10.96 mm5.24 mm1.02 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565590413
Side View
Table 59.0%Crown 35.6°Girdle: STK-THKPavilion 38.17°Culet: NDepth 58.0%

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 1
Current: $7,966 NZD|Low: $4,409 NZD|High: $7,966 NZD|Avg: $5,526 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
November 2, 2026
Retailer 4$4,409 NZD
Retailer 8$4,553 NZD
Retailer 9$4,598 NZD
Retailer 7$4,632 NZD
Retailer 5$4,960 NZD
Retailer 12$5,045 NZD
Retailer 10$5,474 NZD
Retailer 11$5,630 NZD
Retailer 6$5,810 NZD
Retailer 2$5,964 NZD
Retailer 3$7,482 NZD
Helzberg Diamonds$7,966 NZD

8 data points across 12 retailers

12 retailers$4,409 NZD to $7,966 NZD

A
Cheapest Retailer
-
$4,409 NZD
$2,481 USD
A
Retailer 2
-
$4,553 NZD
$2,562 USD
View
B+
Retailer 3
-
$4,598 NZD
$2,587 USD
View
B+
Retailer 4
-
$4,632 NZD
$2,606 USD
View
B+
Retailer 5
-
$4,960 NZD
£2,197 GBP
View
B+
Retailer 6
-
$5,045 NZD
SGD 3,836 SGD
View
B+
Retailer 7
-
$5,474 NZD
$3,080 USD
View
B+
Retailer 8
-
$5,630 NZD
$3,168 USD
View
B+
Retailer 9
-
$5,810 NZD
$3,269 USD
View
B
Retailer 10
-
$5,964 NZD
€3,196 EUR
View
Retailer 11
-
$7,482 NZD
$4,210 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Helzberg Diamonds
XZRJLMLLPGKHJ · Nov 1
$7,966 NZD
$4,482 USD
View
11 more retailers have this diamond
Prices start from $4,409 NZDSave up to $3,556 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
1.02ct Marquise
$4,409 NZD