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0.77ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6565195624

Certificate GIA 6565195624

Diamond specifications and retailer prices

From £954 GBP
HK$9,900 HKD
As of October 29, 2026
Save £2,243 GBP (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,196 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565195624. Listed at 12 retailers as of October 27, 2026, with prices from £954 to £3,196, a £2,243 spread on the same certified stone. NZ Jewellers lists it at £3,196. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565195624
Dimensions5.82 × 5.86 × 3.67 mm
L/W Ratio1.01
Key to symbols
Crystal
Top View
5.82 mm5.86 mm0.77 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565195624
Side View
Table 55.0%CrownGirdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.9%

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 29
Current: £3,196 GBP|Low: £954 GBP|High: £3,253 GBP|Avg: £1,667 GBP|-1.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 12£954 GBP
Retailer 2£1,175 GBP
Retailer 4£1,231 GBP
Retailer 8£1,310 GBP
Retailer 3£1,338 GBP
Retailer 9£1,371 GBP
Retailer 11£1,454 GBP
Retailer 5£1,662 GBP
Retailer 7£1,733 GBP
Retailer 10£2,007 GBP
Retailer 6£2,308 GBP
NZ Jewellers£3,196 GBP

18 data points across 12 retailers

12 retailers£954 GBP to £3,196 GBP

A
Cheapest Retailer
-
£954 GBP
HK$9,900 HKD
A
Retailer 2
-
£1,175 GBP
€1,487 EUR
View
A
Retailer 3
-
£1,231 GBP
$1,636 USD
View
A
Retailer 4
-
£1,310 GBP
$1,741 USD
View
A
Retailer 5
-
£1,338 GBP
SGD 2,402 SGD
View
A
Retailer 6
-
£1,371 GBP
$1,822 USD
View
B+
Retailer 7
-
£1,454 GBP
$1,932 USD
View
B+
Retailer 8
-
£1,662 GBP
View
B+
Retailer 9
-
£1,733 GBP
€2,193 EUR
View
B+
Retailer 10
-
£2,007 GBP
€2,540 EUR
View
B
Retailer 11
-
£2,308 GBP
View
Most Expensive
B
NZ Jewellers
46b5d1d3-1218-468c-bad5-d78d28048835 · Oct 27
£3,196 GBP
$4,247 USD
View
11 more retailers have this diamond
Prices start from £954 GBPSave up to £2,243 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
£954 GBP