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Round|Natural|GIA

0.77ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1335381711

Certificate GIA 1335381711

Diamond specifications and retailer prices

From £626 GBP
As of November 6, 2026
Save £398 GBP (39%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,297 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.77ct natural round diamond

This 0.77ct natural round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1335381711. Listed at 10 retailers as of November 5, 2026, with a 64% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1335381711
Dimensions5.88 × 5.83 × 3.61 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
5.88 mm5.83 mm0.77 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1335381711
Side View
Table 61.0%Crown 35°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 61.6%

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: Nov 6
Current: £1,297 GBP|Low: £626 GBP|High: £1,335 GBP|Avg: £864 GBP|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£626 GBP
Retailer 4£693 GBP
Retailer 7£732 GBP
Retailer 9£742 GBP
Retailer 3£773 GBP
Retailer 5£795 GBP
Retailer 8£795 GBP
Retailer 6£988 GBP
Retailer 10£1,048 GBP
MOH London£1,297 GBP

23 data points across 10 retailers

10 retailers£626 GBP to £1,024 GBP

A
Cheapest Retailer
-
£626 GBP
A
Retailer 2
-
£693 GBP
View
A
Retailer 3
-
£732 GBP
View
A
Retailer 4
-
£742 GBP
View
A
Retailer 5
-
£773 GBP
View
A
Retailer 6
-
£795 GBP
View
A
Retailer 7
-
£795 GBP
View
B+
Retailer 8
-
£988 GBP
View
B+
Retailer 9
-
£1,024 GBP
View
Most Expensive
MOH London
348FDFC6B · Oct 26
£1,297 GBP
View
Price last confirmed 11 days ago
9 more retailers have this diamond
Prices start from £626 GBPSave up to £398 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 Round
£626 GBP