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Marquise|Natural|GIA

1.02ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6551717883

Certificate GIA 6551717883

Diamond specifications and retailer prices

From $2,637 USD
As of November 6, 2026
Save $2,743 USD (51%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,380 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 6551717883. Listed at 17 retailers as of November 5, 2026, with prices from $2,637 to $5,380, a $2,743 spread on the same certified stone. NZ Jewellers lists it at $5,380. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551717883
Dimensions10.03 × 5.23 × 3.40 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
10.03 mm5.23 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551717883
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.1%

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 6
Current: $5,380 USD|Low: $2,612 USD|High: $5,380 USD|Avg: $3,394 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 15$2,637 USD
Retailer 12$2,766 USD
Retailer 7$2,825 USD
Retailer 10$2,825 USD
Retailer 11$2,850 USD
Retailer 2$2,995 USD
Retailer 13$3,005 USD
Retailer 4$3,088 USD
Retailer 5$3,088 USD
Retailer 8$3,191 USD
Retailer 3$3,207 USD
Retailer 14$3,298 USD
Retailer 6$3,563 USD
Retailer 9$5,149 USD
NZ Jewellers$5,380 USD

45 data points across 15 retailers

17 retailers$2,637 USD to $5,380 USD

A
Cheapest Retailer
-
$2,637 USD
B+
Retailer 2
-
$2,766 USD
View
B+
Retailer 3
-
$2,825 USD
View
Retailer 4
-
$2,825 USD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$2,850 USD
View
Final sale: no returns
B+
Retailer 6
-
$2,995 USD
View
B+
Retailer 7
-
$3,005 USD
View
B+
Retailer 8
-
$3,088 USD
View
Retailer 9
-
$3,088 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,191 USD
View
B+
Retailer 11
-
$3,207 USD
View
B+
Retailer 12
-
$3,230 USD
View
Retailer 13
-
$3,298 USD
View
Price last confirmed 30 days ago
B
Retailer 14
-
$3,469 USD
View
B+
Retailer 15
-
$3,563 USD
View
B
Retailer 16
-
$5,149 USD
View
Most Expensive
B
NZ Jewellers
b1497215-f6c5-4702-b222-76d3b901a1cd · Nov 5
$5,380 USD
View
16 more retailers have this diamond
Prices start from $2,637 USDSave up to $2,743 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.

A
1.02ct Marquise
$2,637 USD