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Oval|Lab Grown|IGI

0.74ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG455005166

Certificate IGI LG455005166

Diamond specifications and retailer prices

From £333 GBP
$444 USD
As of October 29, 2026
Save £342 GBP (51%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £676 GBP at Jared · As of October 30, 2026
View at Jared

About this 0.74ct lab-grown oval diamond

This 0.74ct lab-grown oval sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG455005166 or 455005166. Listed at 4 retailers as of October 29, 2026, with prices from £333 to £676, a £342 spread on the same certified stone. Jared lists it at £676. 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

0.74
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG455005166
Dimensions7.24 × 5.14 × 3.24 mm
L/W Ratio1.41
Top View
7.24 mm5.14 mm0.74 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG455005166
Side View
Table 58.5%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.0%

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 29
Current: £676 GBP|Low: £333 GBP|High: £676 GBP|Avg: £450 GBP|+38.5%
Jared
Retailer 2
Retailer 3
Retailer 4
September 28, 2026
Retailer 3£333 GBP
Retailer 2£443 GBP
Retailer 4£443 GBP
Jared£676 GBP

2 data points across 4 retailers

4 retailers£333 GBP to £676 GBP

A
Cheapest Retailer
-
£333 GBP
$444 USD
B+
Retailer 2
-
£443 GBP
$590 USD
View
B+
Retailer 3
-
£443 GBP
$590 USD
View
Most Expensive
B
Jared
140504354 · Oct 30
£676 GBP
$900 USD
View
3 more retailers have this diamond
Prices start from £333 GBPSave up to £342 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
0.74ct Oval
£333 GBP