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0.77ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2566614996

Certificate GIA 2566614996

Diamond specifications and retailer prices

From £1,014 GBP
₹129,435 INR
As of October 30, 2026
Save £2,261 GBP (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,275 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566614996. Listed at 13 retailers as of October 30, 2026, with prices from £1,014 to £3,275, a £2,261 spread on the same certified stone. NZ Jewellers lists it at £3,275. 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
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566614996
Dimensions5.81 × 5.84 × 3.64 mm
L/W Ratio1.01
Top View
5.81 mm5.84 mm0.77 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566614996
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.5%

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 30
Current: £3,275 GBP|Low: £1,011 GBP|High: £3,275 GBP|Avg: £1,642 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
October 31, 2026
Retailer 5£1,014 GBP
Retailer 4£1,068 GBP
Retailer 12£1,223 GBP
Retailer 3£1,287 GBP
Retailer 10£1,384 GBP
Retailer 11£1,445 GBP
Retailer 7£1,497 GBP
Retailer 6£1,698 GBP
Retailer 2£1,728 GBP
Retailer 9£2,000 GBP
Retailer 8£2,365 GBP
NZ Jewellers£3,275 GBP

10 data points across 12 retailers

13 retailers£1,014 GBP to £3,275 GBP

A
Cheapest Retailer
-
£1,014 GBP
₹129,435 INR
A
Retailer 2
-
£1,068 GBP
$1,431 USD
View
Final sale: no returns
A
Retailer 3
-
£1,166 GBP
A$2,404 AUD
View
A
Retailer 4
-
£1,223 GBP
$1,639 USD
View
A
Retailer 5
-
£1,287 GBP
$1,725 USD
View
B+
Retailer 6
-
£1,384 GBP
$1,855 USD
View
B+
Retailer 7
-
£1,445 GBP
$1,936 USD
View
B+
Retailer 8
-
£1,497 GBP
View
B+
Retailer 9
-
£1,698 GBP
View
B+
Retailer 10
-
£1,728 GBP
€2,205 EUR
View
B+
Retailer 11
-
£2,000 GBP
ZAR 43,300 ZAR
View
B
Retailer 12
-
£2,365 GBP
View
Most Expensive
B
NZ Jewellers
2146eebd-3206-485b-ac95-9b6a83db295a · Oct 30
£3,275 GBP
$4,388 USD
View
12 more retailers have this diamond
Prices start from £1,014 GBPSave up to £2,261 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
£1,014 GBP