Marquise|Natural|GIA

1.03ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 6552665916

Certificate GIA 6552665916

Diamond specifications and retailer prices

From $2,134 USD
As of November 6, 2026
Save $3,023 USD (59%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,157 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural marquise diamond

This 1.03ct natural marquise sits in the classic one-carat band, graded J 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 6552665916. Listed at 17 retailers as of November 5, 2026, with prices from $2,134 to $5,157, a $3,023 spread on the same certified stone. NZ Jewellers lists it at $5,157. 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

1.03
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.85°
OriginNatural
Grading LabGIA
CertificateGIA 6552665916
Dimensions10.33 × 5.35 × 3.35 mm
L/W Ratio1.93
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp, Cloud, Needle
Top View
10.33 mm5.35 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552665916
Side View
Table 60.0%Crown 34.85°Girdle: MED-THKPavilionCulet: NDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,157 USD|Low: $2,228 USD|High: $5,346 USD|Avg: $2,882 USD|-3.5%
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 3$2,228 USD
Retailer 4$2,276 USD
Retailer 2$2,393 USD
Retailer 6$2,450 USD
Retailer 7$2,467 USD
Retailer 14$2,467 USD
Retailer 5$2,581 USD
Retailer 15$2,606 USD
Retailer 10$2,610 USD
Retailer 13$2,674 USD
Retailer 12$2,846 USD
Retailer 9$3,010 USD
Retailer 8$3,062 USD
Retailer 11$4,310 USD
NZ Jewellers$5,157 USD

28 data points across 15 retailers

17 retailers$2,134 USD to $5,157 USD

B+
Cheapest Retailer
-
$2,134 USD
B+
Retailer 2
-
$2,228 USD
View
B+
Retailer 3
-
$2,276 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,393 USD
View
B+
Retailer 5
-
$2,450 USD
View
B+
Retailer 6
-
$2,467 USD
View
Retailer 7
-
$2,467 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,581 USD
View
B+
Retailer 9
-
$2,606 USD
View
B+
Retailer 10
-
$2,610 USD
View
B+
Retailer 11
-
$2,674 USD
View
B+
Retailer 12
-
$2,846 USD
View
Retailer 13
-
$2,966 USD
View
Price last confirmed 30 days ago
B
Retailer 14
-
$3,010 USD
View
B+
Retailer 15
-
$3,062 USD
View
B
Retailer 16
-
$4,310 USD
View
Most Expensive
B
NZ Jewellers
3d4f3ced-369d-481d-93f0-8ced17bbc1ae · Nov 5
$5,157 USD
View
16 more retailers have this diamond
Prices start from $2,134 USDSave up to $3,023 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+
1.03ct Marquise
$2,134 USD