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Marquise|Natural|GIA

0.77ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2567233392

Certificate GIA 2567233392

Diamond specifications and retailer prices

From £953 GBP
SGD 1,726 SGD
As of October 29, 2026
Save £760 GBP (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,714 GBP at Helzberg Diamonds · As of October 30, 2026
View at Helzberg 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 2567233392. Listed at 14 retailers as of October 29, 2026, with prices from £953 to £1,714, a £760 spread on the same certified stone. Helzberg Diamonds lists it at £1,714. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.07°
Pavilion angle40.55°
OriginNatural
Grading LabGIA
CertificateGIA 2567233392
Dimensions9.33 × 4.68 × 2.97 mm
L/W Ratio1.99
Culet sizeNone
Top View
9.33 mm4.68 mm0.77 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567233392
Side View
Table 59.0%Crown 39.07°Girdle: MED-VTKPavilion 40.55°Culet: NoneDepth 63.5%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £1,714 GBP|Low: £953 GBP|High: £1,831 GBP|Avg: £1,216 GBP|-6.4%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 13£953 GBP
Retailer 8£957 GBP
Retailer 9£970 GBP
Retailer 10£978 GBP
Retailer 6£982 GBP
Retailer 11£1,010 GBP
Retailer 4£1,041 GBP
Retailer 2£1,070 GBP
Retailer 14£1,166 GBP
Retailer 3£1,333 GBP
Retailer 7£1,376 GBP
Retailer 12£1,458 GBP
Retailer 5£1,560 GBP
Helzberg Diamonds£1,714 GBP

24 data points across 14 retailers

14 retailers£953 GBP to £1,714 GBP

A
Cheapest Retailer
-
£953 GBP
SGD 1,726 SGD
A
Retailer 2
-
£957 GBP
$1,282 USD
View
A
Retailer 3
-
£970 GBP
$1,300 USD
View
A
Retailer 4
-
£978 GBP
$1,310 USD
View
A
Retailer 5
-
£982 GBP
$1,316 USD
View
A
Retailer 6
-
£1,010 GBP
$1,353 USD
View
A
Retailer 7
-
£1,041 GBP
SGD 1,884 SGD
View
A
Retailer 8
-
£1,070 GBP
View
A
Retailer 9
-
£1,166 GBP
$1,562 USD
View
A
Retailer 10
-
£1,333 GBP
$1,787 USD
View
A
Retailer 11
-
£1,376 GBP
€1,756 EUR
View
A
Retailer 12
-
£1,458 GBP
$1,954 USD
View
B+
Retailer 13
-
£1,560 GBP
$2,091 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRILMNIJJJPI · Oct 30
£1,714 GBP
$2,296 USD
View
13 more retailers have this diamond
Prices start from £953 GBPSave up to £760 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
£953 GBP