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Round|Natural|GIA

0.77ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1557731682

Certificate GIA 1557731682

Diamond specifications and retailer prices

From £755 GBP
HK$7,900 HKD
As of October 30, 2026
Save £1,749 GBP (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,504 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 1557731682. Listed at 16 retailers as of October 30, 2026, with prices from £755 to £2,504, a £1,749 spread on the same certified stone. NZ Jewellers lists it at £2,504. 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
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1557731682
Dimensions5.85 × 5.84 × 3.66 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Twinning Wisp
Top View
5.85 mm5.84 mm0.77 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1557731682
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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: Oct 30
Current: £2,504 GBP|Low: £732 GBP|High: £2,504 GBP|Avg: £1,190 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
Retailer 13
October 30, 2026
Retailer 12£755 GBP
Retailer 2£766 GBP
Retailer 11£805 GBP
Retailer 6£897 GBP
Retailer 3£958 GBP
Retailer 5£1,026 GBP
Retailer 4£1,060 GBP
Retailer 13£1,093 GBP
Retailer 9£1,105 GBP
Retailer 8£1,331 GBP
Retailer 10£1,340 GBP
Retailer 7£1,890 GBP
NZ Jewellers£2,504 GBP

33 data points across 13 retailers

16 retailers£755 GBP to £2,504 GBP

A
Cheapest Retailer
-
£755 GBP
HK$7,900 HKD
A
Retailer 2
-
£766 GBP
₹97,791 INR
View
A
Retailer 3
-
£805 GBP
$1,079 USD
View
Final sale: no returns
A
Retailer 4
-
£897 GBP
€1,145 EUR
View
A
Retailer 5
-
£958 GBP
$1,284 USD
View
A
Retailer 6
-
£1,026 GBP
$1,375 USD
View
A
Retailer 7
-
£1,060 GBP
SGD 1,920 SGD
View
A
Retailer 8
-
£1,074 GBP
$1,439 USD
View
A
Retailer 9
-
£1,093 GBP
$1,465 USD
View
A
Retailer 10
-
£1,105 GBP
$1,480 USD
View
A
Retailer 11
-
£1,236 GBP
A$2,548 AUD
View
B+
Retailer 12
-
£1,331 GBP
€1,698 EUR
View
Retailer 13
-
£1,340 GBP
A$2,761 AUD
View
Price last confirmed 24 days ago
B+
Retailer 14
-
£1,423 GBP
$1,907 USD
View
B+
Retailer 15
-
£1,890 GBP
View
Most Expensive
B
NZ Jewellers
a34cef43-ba54-4da7-b426-2156c24f0cfa · Oct 30
£2,504 GBP
$3,355 USD
View
15 more retailers have this diamond
Prices start from £755 GBPSave up to £1,749 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
£755 GBP