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Marquise|Natural|GIA

0.77ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2225266601

Certificate GIA 2225266601

Diamond specifications and retailer prices

From $3,025 CAD
$2,161 USD
As of October 29, 2026
Save $1,617 CAD (35%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,641 CAD at 77 Diamonds · As of October 29, 2026
View at 77 Diamonds

About this 0.77ct natural marquise diamond

This 0.77ct natural marquise sits in the just-under-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 2225266601. Listed at 5 retailers as of October 29, 2026, with prices from $3,025 to $4,641, a $1,617 spread on the same certified stone. 77 Diamonds lists it at $4,641. 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

0.77
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2225266601
Dimensions8.87 × 5.02 × 3.20 mm
L/W Ratio1.77
Girdle conditionFaceted
Culet sizeNone
Top View
8.87 mm5.02 mm0.77 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2225266601
Side View
Table 56.0%CrownGirdle: XTN-STKPavilionCulet: NoneDepth 63.7%

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: Oct 29
Current: $4,641 CAD|Low: $2,987 CAD|High: $4,661 CAD|Avg: $3,816 CAD|+2.0%
77 Diamonds
Retailer 2
October 29, 2026
Retailer 2$3,025 CAD
77 Diamonds$4,641 CAD

30 data points across 2 retailers

5 retailers$3,025 CAD to $4,641 CAD

B+
Cheapest Retailer
-
$3,025 CAD
$2,161 USD
B+
Retailer 2
-
$3,137 CAD
$2,241 USD
View
B+
Retailer 3
-
$3,246 CAD
A$3,568 AUD
View
B+
Retailer 4
-
$3,291 CAD
$2,351 USD
View
Most Expensive
B
77 Diamonds
MQZBCEQPUKU · Oct 29
$4,641 CAD
£2,611 GBP
View
4 more retailers have this diamond
Prices start from $3,025 CADSave up to $1,617 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+
0.77ct Marquise
$3,025 CAD