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Round|Natural|GIA

0.77ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6531061716

Certificate GIA 6531061716

Diamond specifications and retailer prices

From £1,211 GBP
$1,609 USD
As of October 26, 2026
Save £2,333 GBP (66%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,544 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.77ct natural round diamond

This 0.77ct natural round sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6531061716. Listed at 14 retailers as of October 26, 2026, with prices from £1,211 to £3,544, a £2,333 spread on the same certified stone. NZ Jewellers lists it at £3,544. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6531061716
Dimensions5.80 × 5.83 × 3.60 mm
L/W Ratio1.01
Top View
5.80 mm5.83 mm0.77 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531061716
Side View
Table 60.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.9%

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 26
Current: £3,544 GBP|Low: £1,081 GBP|High: £3,544 GBP|Avg: £1,757 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 7£1,215 GBP
Retailer 9£1,227 GBP
Retailer 3£1,316 GBP
Retailer 10£1,316 GBP
Retailer 8£1,377 GBP
Retailer 11£1,519 GBP
Retailer 2£1,595 GBP
Retailer 6£1,706 GBP
Retailer 4£1,914 GBP
Retailer 5£2,549 GBP
NZ Jewellers£3,544 GBP

41 data points across 11 retailers

14 retailers£1,211 GBP to £3,544 GBP

A
Cheapest Retailer
-
£1,211 GBP
$1,609 USD
B+
Retailer 2
-
£1,215 GBP
$1,614 USD
View
Final sale: no returns
B+
Retailer 3
-
£1,227 GBP
$1,630 USD
View
B+
Retailer 4
-
£1,258 GBP
A$2,571 AUD
View
B+
Retailer 5
-
£1,281 GBP
$1,702 USD
View
B+
Retailer 6
-
£1,316 GBP
$1,749 USD
View
B+
Retailer 7
-
£1,377 GBP
$1,830 USD
View
B+
Retailer 8
-
£1,519 GBP
$2,018 USD
View
B+
Retailer 9
-
£1,595 GBP
View
B+
Retailer 10
-
£1,706 GBP
View
B
Retailer 11
-
£1,742 GBP
$2,315 USD
View
B
Retailer 12
-
£1,914 GBP
€2,422 EUR
View
B
Retailer 13
-
£2,549 GBP
View
Most Expensive
B
NZ Jewellers
2a9fd13b-3e82-4000-acde-79324f3b01b6 · Oct 27
£3,544 GBP
$4,709 USD
View
13 more retailers have this diamond
Prices start from £1,211 GBPSave up to £2,333 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
£1,211 GBP