Oval|Natural|GIA

0.75ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 1558492238

Certificate GIA 1558492238

Diamond specifications and retailer prices

From £382 GBP
SGD 691 SGD
As of October 31, 2026
Save £359 GBP (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £740 GBP at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 0.75ct natural oval diamond

This 0.75ct natural oval sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558492238. Listed at 7 retailers as of October 29, 2026, with prices from £382 to £740, a £359 spread on the same certified stone. Frank Darling lists it at £740. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle39.18°
Pavilion angle39.89°
OriginNatural
Grading LabGIA
CertificateGIA 1558492238
Dimensions7.11 × 5.09 × 3.18 mm
L/W Ratio1.40
Culet sizeNone
Top View
7.11 mm5.09 mm0.75 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1558492238
Side View
Table 60.0%Crown 39.18°Girdle: MED-THKPavilion 39.89°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £740 GBP|Low: £299 GBP|High: £804 GBP|Avg: £583 GBP|-7.9%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 7£299 GBP
Retailer 4£382 GBP
Retailer 5£422 GBP
Retailer 2£549 GBP
Retailer 8£560 GBP
Retailer 3£591 GBP
Retailer 6£653 GBP
Retailer 10£686 GBP
Frank Darling£740 GBP
Retailer 9£755 GBP

21 data points across 10 retailers

7 retailers£382 GBP to £740 GBP

A
Cheapest Retailer
-
£382 GBP
SGD 691 SGD
A
Retailer 2
-
£422 GBP
SGD 765 SGD
View
A
Retailer 3
-
£549 GBP
$736 USD
View
A
Retailer 4
-
£560 GBP
$750 USD
View
A
Retailer 5
-
£591 GBP
$792 USD
View
A
Retailer 6
-
£653 GBP
$875 USD
View
Most Expensive
A
Frank Darling
2653702HK · Oct 29
£740 GBP
$992 USD
View
6 more retailers have this diamond
Prices start from £382 GBPSave up to £359 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 Oval
£382 GBP