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Marquise|Natural|GIA

1.02ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2557725957

Certificate GIA 2557725957

Diamond specifications and retailer prices

From $4,623 NZD
$2,601 USD
As of November 1, 2026
Save $4,809 NZD (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,432 NZD at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557725957. Listed at 13 retailers as of October 30, 2026, with prices from $4,623 to $9,432, a $4,809 spread on the same certified stone. NZ Jewellers lists it at $9,432. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557725957
Dimensions12.31 × 4.57 × 2.92 mm
L/W Ratio2.69
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Pinpoint
Top View
12.31 mm4.57 mm1.02 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557725957
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.8%

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: $9,432 NZD|Low: $4,623 NZD|High: $9,432 NZD|Avg: $6,341 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$4,623 NZD
Retailer 6$4,848 NZD
Retailer 3$5,352 NZD
Retailer 9$5,414 NZD
Retailer 10$5,414 NZD
Retailer 8$5,622 NZD
Retailer 5$5,741 NZD
Retailer 4$6,336 NZD
Retailer 2$9,054 NZD
NZ Jewellers$9,432 NZD

42 data points across 10 retailers

13 retailers$4,623 NZD to $9,432 NZD

B+
Cheapest Retailer
-
$4,623 NZD
$2,601 USD
B+
Retailer 2
-
$4,848 NZD
$2,728 USD
View
B+
Retailer 3
-
$5,352 NZD
£2,371 GBP
View
B+
Retailer 4
-
$5,414 NZD
$3,046 USD
View
B+
Retailer 5
-
$5,414 NZD
$3,046 USD
View
B+
Retailer 6
-
$5,612 NZD
SGD 4,267 SGD
View
B+
Retailer 7
-
$5,622 NZD
$3,163 USD
View
B+
Retailer 8
-
$5,668 NZD
$3,189 USD
View
B+
Retailer 9
-
$5,741 NZD
£2,543 GBP
View
B
Retailer 10
-
$6,247 NZD
$3,515 USD
View
B
Retailer 11
-
$6,336 NZD
€3,395 EUR
View
B
Retailer 12
-
$9,054 NZD
£4,011 GBP
View
Most Expensive
B
NZ Jewellers
cb1bb62b-f380-48ba-af2d-6855c1611029 · Oct 30
$9,432 NZD
$5,307 USD
View
12 more retailers have this diamond
Prices start from $4,623 NZDSave up to $4,809 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
$4,623 NZD