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Marquise|Natural|GIA

0.77ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 10965724

Certificate GIA 10965724

Diamond specifications and retailer prices

From £1,258 GBP
$1,685 USD
As of October 30, 2026
Save £653 GBP (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,911 GBP at 77 Diamonds · As of October 30, 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 10965724. Listed at 4 retailers as of October 30, 2026, with prices from £1,258 to £1,911, a £653 spread on the same certified stone. 77 Diamonds lists it at £1,911. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 10965724
Dimensions8.62 × 4.99 × 3.05 mm
L/W Ratio1.73
Top View
8.62 mm4.99 mm0.77 ctE / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 10965724
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,911 GBP|Low: £1,240 GBP|High: £1,913 GBP|Avg: £1,576 GBP|+2.3%
77 Diamonds
Retailer 2
October 30, 2026
Retailer 2£1,258 GBP
77 Diamonds£1,911 GBP

35 data points across 2 retailers

4 retailers£1,258 GBP to £1,911 GBP

A
Cheapest Retailer
-
£1,258 GBP
$1,685 USD
A
Retailer 2
-
£1,306 GBP
$1,750 USD
View
A
Retailer 3
-
£1,312 GBP
A$2,704 AUD
View
Most Expensive
B
77 Diamonds
MQZPNNMQUWE · Oct 30
£1,911 GBP
View
3 more retailers have this diamond
Prices start from £1,258 GBPSave up to £653 GBP

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.

A
0.77ct Marquise
£1,258 GBP