Round|Natural|GIA

0.75ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6551183819

Certificate GIA 6551183819

Diamond specifications and retailer prices

From £418 GBP
As of November 5, 2026
Save £367 GBP (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £785 GBP at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.75ct natural round diamond

This 0.75ct natural round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551183819. Listed at 8 retailers as of November 5, 2026, with prices from £418 to £785, a £367 spread on the same certified stone. Frank Darling lists it at £785. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6551183819
Dimensions5.83 × 3.62 × 3.62 mm
L/W Ratio1.61
Top View
5.83 mm3.62 mm0.75 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551183819
Side View
Table 56.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

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: Nov 5
Current: £785 GBP|Low: £416 GBP|High: £833 GBP|Avg: £665 GBP|-5.7%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2£418 GBP
Retailer 5£471 GBP
Retailer 4£612 GBP
Retailer 3£646 GBP
Retailer 7£669 GBP
Retailer 6£715 GBP
Frank Darling£785 GBP
Retailer 8£809 GBP

30 data points across 8 retailers

8 retailers£418 GBP to £785 GBP

A
Cheapest Retailer
-
£418 GBP
A
Retailer 2
-
£471 GBP
View
A
Retailer 3
-
£611 GBP
View
A
Retailer 4
-
£612 GBP
View
A
Retailer 5
-
£646 GBP
View
Retailer 6
-
£669 GBP
View
Price last confirmed 11 days ago
A
Retailer 7
-
£715 GBP
View
Most Expensive
A
Frank Darling
2633301HK · Nov 6
£785 GBP
$1,057 USD
View
7 more retailers have this diamond
Prices start from £418 GBPSave up to £367 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
0.75ct Round
£418 GBP