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Marquise|Natural|GIA

1.02ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 2557870993

Certificate GIA 2557870993

Diamond specifications and retailer prices

From $5,166 NZD
As of November 4, 2026
Save $6,552 NZD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,718 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557870993. Listed at 20 retailers as of November 4, 2026, with prices from $5,166 to $11,718, a $6,552 spread on the same certified stone. NZ Jewellers lists it at $11,718. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2557870993
Dimensions10.40 × 5.24 × 3.24 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizeNone
Top View
10.40 mm5.24 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557870993
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.9%

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 4
Current: $11,718 NZD|Low: $5,343 NZD|High: $11,718 NZD|Avg: $7,799 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$5,343 NZD
Retailer 11$6,094 NZD
Retailer 10$6,328 NZD
Retailer 9$6,624 NZD
Retailer 2$6,918 NZD
Retailer 3$7,032 NZD
Retailer 7$7,203 NZD
Retailer 6$7,872 NZD
Retailer 4$8,210 NZD
Retailer 5$11,218 NZD
NZ Jewellers$11,718 NZD

45 data points across 11 retailers

20 retailers$5,166 NZD to $11,718 NZD

B+
Cheapest Retailer
-
$5,166 NZD
B+
Retailer 2
-
$5,343 NZD
View
Final sale: no returns
B+
Retailer 3
-
$5,388 NZD
View
B+
Retailer 4
-
$6,094 NZD
View
B
Retailer 5
-
$6,231 NZD
View
B
Retailer 6
-
$6,328 NZD
View
B+
Retailer 7
-
$6,624 NZD
View
B+
Retailer 8
-
$6,624 NZD
View
B
Retailer 9
-
$6,909 NZD
View
B
Retailer 10
-
$6,909 NZD
View
B+
Retailer 11
-
$6,918 NZD
View
B
Retailer 12
-
$7,032 NZD
View
B
Retailer 13
-
$7,143 NZD
View
Retailer 14
-
$7,203 NZD
View
Price last confirmed 30 days ago
Retailer 15
-
$7,618 NZD
View
Price last confirmed 15 days ago
B
Retailer 16
-
$7,872 NZD
View
B
Retailer 17
-
$7,905 NZD
View
B
Retailer 18
-
$8,210 NZD
View
B
Retailer 19
-
$11,218 NZD
View
Most Expensive
B
NZ Jewellers
54a6be71-36ed-481b-a989-ae3cde50d2ea · Nov 5
$11,718 NZD
$6,496 USD
View
19 more retailers have this diamond
Prices start from $5,166 NZDSave up to $6,552 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+
1.02ct Marquise
$5,166 NZD