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Oval|Lab Grown|IGI

0.75ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG499114490

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG499114490

Diamond specifications and retailer prices

From £345 GBP
$460 USD
As of October 29, 2026
Save £595 GBP (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,621 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.75ct lab-grown oval diamond

This 0.75ct lab-grown oval 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 IGI LG499114490 or 499114490. Listed at 11 retailers as of October 28, 2026, with a 172% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499114490
Dimensions7.54 × 5.16 × 3.06 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.54 mm5.16 mm0.75 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499114490
Side View
Table 59.0%Crown 31°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 59.3%

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 29
Current: £922 GBP|Low: £345 GBP|High: £2,459 GBP|Avg: £931 GBP|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5£345 GBP
Retailer 4£497 GBP
Retailer 8£556 GBP
Retailer 6£577 GBP
Retailer 9£577 GBP
Retailer 1£922 GBP
Retailer 7£941 GBP
Retailer 3£1,473 GBP
Retailer 2£2,442 GBP

42 data points across 9 retailers

11 retailers£345 GBP to £941 GBP

B+
Cheapest Retailer
-
£345 GBP
$460 USD
B
Retailer 2
-
£497 GBP
$662 USD
View
B
Retailer 3
-
£541 GBP
$720 USD
View
B
Retailer 4
-
£556 GBP
$741 USD
View
Final sale: no returns
B
Retailer 5
-
£577 GBP
$768 USD
View
Retailer 6
-
£577 GBP
$768 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
£922 GBP
View
B
Retailer 8
-
£941 GBP
$1,253 USD
View
Retailer 9
-
£1,473 GBP
$1,961 USD
View
Price under review
Most Expensive
NZ Jewellers
3b46af5d-ca08-4b76-bdd5-46913d2eb745 · Oct 28
£1,621 GBP
$2,159 USD
View
Price under review
9 more retailers have this diamond
Prices start from £345 GBPSave up to £595 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 Oval
£345 GBP