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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 $2,601 USD
As of November 1, 2026
Save $2,706 USD (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,307 USD 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 $2,601 to $5,307, a $2,706 spread on the same certified stone. NZ Jewellers lists it at $5,307. 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
Color
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: $5,307 USD|Low: $2,601 USD|High: $5,307 USD|Avg: $3,568 USD
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$2,601 USD
Retailer 6$2,728 USD
Retailer 2$3,012 USD
Retailer 9$3,046 USD
Retailer 10$3,046 USD
Retailer 8$3,163 USD
Retailer 4$3,230 USD
Retailer 3$3,565 USD
Retailer 5$5,122 USD
NZ Jewellers$5,307 USD

42 data points across 10 retailers

13 retailers$2,601 USD to $5,307 USD

B+
Cheapest Retailer
-
$2,601 USD
B+
Retailer 2
-
$2,728 USD
View
B+
Retailer 3
-
$3,012 USD
£2,371 GBP
View
B+
Retailer 4
-
$3,046 USD
View
B+
Retailer 5
-
$3,046 USD
View
B+
Retailer 6
-
$3,158 USD
SGD 4,267 SGD
View
B+
Retailer 7
-
$3,163 USD
View
B+
Retailer 8
-
$3,189 USD
View
B+
Retailer 9
-
$3,230 USD
£2,543 GBP
View
B
Retailer 10
-
$3,515 USD
View
B
Retailer 11
-
$3,565 USD
€3,395 EUR
View
B
Retailer 12
-
$5,122 USD
£4,033 GBP
View
Most Expensive
B
NZ Jewellers
cb1bb62b-f380-48ba-af2d-6855c1611029 · Oct 30
$5,307 USD
View
12 more retailers have this diamond
Prices start from $2,601 USDSave up to $2,706 USD

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
$2,601 USD