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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 $2,864 USD
As of November 4, 2026
Save $3,632 USD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,496 USD 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 $2,864 to $6,496, a $3,632 spread on the same certified stone. NZ Jewellers lists it at $6,496. 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
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: $6,496 USD|Low: $2,962 USD|High: $6,496 USD|Avg: $4,328 USD
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$2,962 USD
Retailer 11$3,378 USD
Retailer 10$3,508 USD
Retailer 9$3,672 USD
Retailer 2$3,835 USD
Retailer 3$3,898 USD
Retailer 7$3,993 USD
Retailer 6$4,364 USD
Retailer 4$4,551 USD
Retailer 5$6,219 USD
NZ Jewellers$6,496 USD

46 data points across 11 retailers

20 retailers$2,864 USD to $6,496 USD

B+
Cheapest Retailer
-
$2,864 USD
B+
Retailer 2
-
$2,962 USD
View
Final sale: no returns
B+
Retailer 3
-
$2,987 USD
View
B+
Retailer 4
-
$3,378 USD
View
B
Retailer 5
-
$3,454 USD
View
B
Retailer 6
-
$3,508 USD
View
B+
Retailer 7
-
$3,672 USD
View
B+
Retailer 8
-
$3,672 USD
View
B
Retailer 9
-
$3,830 USD
View
B
Retailer 10
-
$3,830 USD
View
B+
Retailer 11
-
$3,835 USD
View
B
Retailer 12
-
$3,898 USD
View
B
Retailer 13
-
$3,960 USD
View
Retailer 14
-
$3,993 USD
View
Price last confirmed 29 days ago
Retailer 15
-
$4,223 USD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$4,364 USD
View
B
Retailer 17
-
$4,382 USD
View
B
Retailer 18
-
$4,551 USD
View
B
Retailer 19
-
$6,219 USD
View
Most Expensive
B
NZ Jewellers
54a6be71-36ed-481b-a989-ae3cde50d2ea · Nov 5
$6,496 USD
View
19 more retailers have this diamond
Prices start from $2,864 USDSave up to $3,632 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
$2,864 USD