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Marquise|Natural|GIA

1.02ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 7511155425

Certificate GIA 7511155425

Diamond specifications and retailer prices

From $6,519 CAD
As of November 5, 2026
Save $1,896 CAD (23%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,416 CAD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded E 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 7511155425. Listed at 3 retailers as of November 5, 2026, with prices from $6,519 to $8,416, a $1,896 spread on the same certified stone. 77 Diamonds lists it at $8,416. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7511155425
Dimensions10.11 × 5.04 × 3.21 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Indented Natural, Natural
Top View
10.11 mm5.04 mm1.02 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7511155425
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 63.6%

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 5
Current: $8,416 CAD|Low: $6,718 CAD|High: $8,528 CAD|Avg: $7,592 CAD|+1.1%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2$6,718 CAD
77 Diamonds$8,416 CAD

38 data points across 2 retailers

3 retailers$6,519 CAD to $8,416 CAD

B+
Cheapest Retailer
-
$6,519 CAD
B+
Retailer 2
-
$6,718 CAD
View
Most Expensive
B
77 Diamonds
MQMBFXFZDAKC · Nov 6
$8,416 CAD
£4,745 GBP
View
2 more retailers have this diamond
Prices start from $6,519 CADSave up to $1,896 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
$6,519 CAD