Marquise|Natural|GIA

1.05ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1535188917

Certificate GIA 1535188917

Diamond specifications and retailer prices

From $4,302 USD
As of October 30, 2026
14 retailers carry this diamond
Most expensive: $8,317 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.05ct natural marquise diamond

This 1.05ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1535188917. Listed at 14 retailers as of October 30, 2026. 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

1.05
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1535188917
Dimensions9.93 × 5.49 × 3.44 mm
L/W Ratio1.81
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.93 mm5.49 mm1.05 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1535188917
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $8,317 USD|Low: $4,163 USD|High: $8,317 USD|Avg: $5,352 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
October 30, 2026
Retailer 12$4,163 USD
Retailer 7$4,252 USD
Retailer 4$4,302 USD
Retailer 2$4,558 USD
Retailer 5$4,746 USD
Retailer 8$4,774 USD
Retailer 9$4,774 USD
Retailer 10$4,774 USD
Retailer 3$4,812 USD
Retailer 11$5,508 USD
Retailer 6$7,459 USD
NZ Jewellers$8,317 USD

38 data points across 12 retailers

14 retailers

B+
Retailer 1
-
$4,163 USD
Price last confirmed 7 days ago
Retailer 2
-
$4,252 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$4,302 USD
View
Retailer 4
-
$4,505 USD
View
Price last confirmed 6 days ago
Retailer 5
-
$4,558 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$4,746 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$4,774 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$4,774 USD
View
Price last confirmed 8 days ago
Retailer 9
-
$4,774 USD
View
Price last confirmed 8 days ago
Retailer 10
-
$4,812 USD
View
Price last confirmed 28 days ago
Retailer 11
-
$4,924 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$5,508 USD
View
Price last confirmed 10 days ago
Retailer 13
-
$7,459 USD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
ceccc178-5ae7-4244-a374-6bd9d5bd3cb2 · Oct 27
$8,317 USD
View
Price last confirmed 10 days ago
13 more retailers have this diamond
Prices start from $4,302 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+
1.05ct Marquise
$4,302 USD