Marquise|Natural|GIA

1.02ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 2558115959

Certificate GIA 2558115959

Diamond specifications and retailer prices

From $4,230 CAD
As of November 4, 2026
Save $4,976 CAD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,205 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.02ct natural marquise diamond

This 1.02ct 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 2558115959. Listed at 14 retailers as of November 2, 2026, with prices from $4,230 to $9,205, a $4,976 spread on the same certified stone. MOH London lists it at $9,205. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2558115959
Dimensions10.17 × 5.23 × 3.29 mm
L/W Ratio1.94
Top View
10.17 mm5.23 mm1.02 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2558115959
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.8%

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: $9,205 CAD|Low: $4,245 CAD|High: $9,318 CAD|Avg: $5,948 CAD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$4,245 CAD
Retailer 4$4,377 CAD
Retailer 7$5,335 CAD
Retailer 3$5,542 CAD
Retailer 5$5,902 CAD
Retailer 2$6,195 CAD
Retailer 8$6,233 CAD
MOH London$9,205 CAD

46 data points across 8 retailers

14 retailers$4,230 CAD to $9,205 CAD

B+
Cheapest Retailer
-
$4,230 CAD
B+
Retailer 2
-
$4,245 CAD
View
B+
Retailer 3
-
$4,338 CAD
View
B+
Retailer 4
-
$4,377 CAD
View
Final sale: no returns
B+
Retailer 5
-
$4,737 CAD
View
B
Retailer 6
-
$5,335 CAD
View
B
Retailer 7
-
$5,424 CAD
View
B
Retailer 8
-
$5,424 CAD
View
B+
Retailer 9
-
$5,542 CAD
View
Retailer 10
-
$5,902 CAD
View
Price last confirmed 33 days ago
B
Retailer 11
-
$6,195 CAD
View
Retailer 12
-
$6,233 CAD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$6,472 CAD
View
Most Expensive
B
MOH London
11EA10FE9 · Nov 2
$9,205 CAD
£5,153 GBP
View
13 more retailers have this diamond
Prices start from $4,230 CADSave up to $4,976 CAD

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
$4,230 CAD