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Round|Natural|GIA

0.75ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566172511

Certificate GIA 2566172511

Diamond specifications and retailer prices

From £801 GBP
$1,073 USD
As of October 30, 2026
Save £577 GBP (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,378 GBP at Cape Diamonds · As of October 31, 2026
View at Cape Diamonds

About this 0.75ct natural round diamond

This 0.75ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566172511. Listed at 16 retailers as of October 30, 2026, with prices from £801 to £1,378, a £577 spread on the same certified stone. Cape Diamonds lists it at £1,378. 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

0.75
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2566172511
Dimensions5.80 × 5.76 × 3.61 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
5.80 mm5.76 mm0.75 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566172511
Side View
Table 59.0%Crown 35.5°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,378 GBP|Low: £662 GBP|High: £1,378 GBP|Avg: £1,022 GBP|+0.6%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 8£662 GBP
Retailer 7£679 GBP
Retailer 4£801 GBP
Retailer 10£802 GBP
Retailer 13£1,008 GBP
Retailer 14£1,008 GBP
Retailer 3£1,037 GBP
Retailer 9£1,047 GBP
Retailer 5£1,101 GBP
Retailer 12£1,133 GBP
Retailer 2£1,168 GBP
Retailer 16£1,177 GBP
Retailer 15£1,264 GBP
Retailer 11£1,275 GBP
Retailer 6£1,357 GBP
Cape Diamonds£1,378 GBP

32 data points across 16 retailers

16 retailers£801 GBP to £1,378 GBP

Retailer 1
-
£662 GBP
$887 USD
Price last confirmed 25 days ago
Retailer 2
-
£679 GBP
$910 USD
View
Price last confirmed 24 days ago
B+
Retailer 3
-
£801 GBP
$1,073 USD
View
B+
Retailer 4
-
£802 GBP
$1,075 USD
View
B
Retailer 5
-
£1,008 GBP
$1,350 USD
View
B
Retailer 6
-
£1,008 GBP
$1,350 USD
View
B+
Retailer 7
-
£1,037 GBP
$1,390 USD
View
B
Retailer 8
-
£1,047 GBP
View
Retailer 9
-
£1,101 GBP
A$2,270 AUD
View
Price last confirmed 26 days ago
B
Retailer 10
-
£1,133 GBP
View
B
Retailer 11
-
£1,168 GBP
€1,490 EUR
View
B
Retailer 12
-
£1,177 GBP
$1,577 USD
View
B
Retailer 13
-
£1,264 GBP
$1,693 USD
View
B
Retailer 14
-
£1,275 GBP
$1,708 USD
View
Retailer 15
-
£1,357 GBP
View
Price last confirmed 26 days ago
Most Expensive
B
Cape Diamonds
cert_2566172511 · Oct 31
£1,378 GBP
ZAR 29,827 ZAR
View
15 more retailers have this diamond
Prices start from £801 GBPSave up to £577 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.

B+
0.75ct Round
£801 GBP