Marquise|Natural|GIA

1.03ct H SI1 Marquise Natural Diamond

ID • H/SI1 • GIA 1559696271

Certificate GIA 1559696271

Diamond specifications and retailer prices

From $3,284 USD
As of November 6, 2026
Save $2,894 USD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,178 USD at NZ Jewellers · As of November 3, 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 H 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 1559696271. Listed at 8 retailers as of November 3, 2026, with prices from $3,284 to $6,178, a $2,894 spread on the same certified stone. NZ Jewellers lists it at $6,178. 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
H
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.28°
Pavilion angle39.09°
OriginNatural
Grading LabGIA
CertificateGIA 1559696271
Dimensions10.57 × 5.37 × 3.12 mm
L/W Ratio1.97
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
10.57 mm5.37 mm1.03 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1559696271
Side View
Table 62.0%Crown 34.28°Girdle: THK-VTKPavilion 39.09°Culet: NoneDepth 58.1%

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 6
Current: $6,178 USD|Low: $3,284 USD|High: $6,178 USD|Avg: $4,128 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7$3,284 USD
Retailer 2$3,458 USD
Retailer 6$3,546 USD
Retailer 4$3,630 USD
Retailer 8$3,630 USD
Retailer 5$3,682 USD
Retailer 3$5,930 USD
NZ Jewellers$6,178 USD

13 data points across 8 retailers

8 retailers$3,284 USD to $6,178 USD

B+
Cheapest Retailer
-
$3,284 USD
B+
Retailer 2
-
$3,458 USD
View
B+
Retailer 3
-
$3,546 USD
View
B+
Retailer 4
-
$3,630 USD
View
B
Retailer 5
-
$3,630 USD
View
B+
Retailer 6
-
$3,682 USD
View
B
Retailer 7
-
$5,930 USD
View
Most Expensive
B
NZ Jewellers
8abead3f-97db-4291-8655-981400cffd61 · Nov 3
$6,178 USD
View
7 more retailers have this diamond
Prices start from $3,284 USDSave up to $2,894 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
$3,284 USD