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Round|Natural|GIA

0.77ct H I1 Round Natural Diamond

EX • H/I1 • GIA 2407991658

Certificate GIA 2407991658

Diamond specifications and retailer prices

From £564 GBP
HK$5,900 HKD
As of November 1, 2026
Save £1,284 GBP (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,847 GBP at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2407991658. Listed at 10 retailers as of October 30, 2026, with prices from £564 to £1,847, a £1,284 spread on the same certified stone. NZ Jewellers lists it at £1,847. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.77
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2407991658
Dimensions5.86 × 5.83 × 3.67 mm
L/W Ratio1.01
Top View
5.86 mm5.83 mm0.77 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2407991658
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 62.7%

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 1
Current: £1,847 GBP|Low: £554 GBP|High: £1,847 GBP|Avg: £896 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5£564 GBP
Retailer 4£590 GBP
Retailer 6£613 GBP
Retailer 11£740 GBP
Retailer 7£758 GBP
Retailer 9£758 GBP
Retailer 8£787 GBP
Retailer 12£816 GBP
Retailer 10£874 GBP
Retailer 2£1,059 GBP
Retailer 3£1,117 GBP
NZ Jewellers£1,847 GBP

15 data points across 12 retailers

10 retailers£564 GBP to £1,847 GBP

A
Cheapest Retailer
-
£564 GBP
HK$5,900 HKD
A
Retailer 2
-
£613 GBP
₹78,263 INR
View
B+
Retailer 3
-
£740 GBP
$992 USD
View
B+
Retailer 4
-
£758 GBP
$1,015 USD
View
B+
Retailer 5
-
£758 GBP
$1,015 USD
View
B+
Retailer 6
-
£787 GBP
$1,054 USD
View
B+
Retailer 7
-
£816 GBP
$1,094 USD
View
B+
Retailer 8
-
£874 GBP
$1,171 USD
View
B
Retailer 9
-
£1,059 GBP
€1,352 EUR
View
Most Expensive
B
NZ Jewellers
ee773486-68cc-46f5-a6f7-344d81cce511 · Oct 30
£1,847 GBP
$2,475 USD
View
9 more retailers have this diamond
Prices start from £564 GBPSave up to £1,284 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
£564 GBP