Oval|Lab Grown|IGI

1.85ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG817604265

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817604265

Diamond specifications and retailer prices

From £159 GBP
$213 USD
As of November 1, 2026
Save £631 GBP (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £807 GBP at Michael Trio · As of October 13, 2026
View at Michael Trio

About this 1.85ct lab-grown oval diamond

This 1.85ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG817604265 or 817604265. Listed at 9 retailers as of November 1, 2026, with a 397% 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

1.85
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817604265
Dimensions10.05 × 6.89 × 4.31 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.05 mm6.89 mm1.85 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817604265
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.6%

Caratlytics Score

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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: Nov 1
Current: £807 GBP|Low: £156 GBP|High: £820 GBP|Avg: £474 GBP|+9.4%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7£159 GBP
Retailer 5£184 GBP
Retailer 3£252 GBP
Retailer 4£330 GBP
Retailer 9£453 GBP
Retailer 8£634 GBP
Retailer 6£636 GBP
Retailer 2£790 GBP
Michael Trio£807 GBP

31 data points across 9 retailers

9 retailers£159 GBP to £790 GBP

A
Cheapest Retailer
-
£159 GBP
$213 USD
A
Retailer 2
-
£184 GBP
$247 USD
View
A
Retailer 3
-
£252 GBP
View
A
Retailer 4
-
£330 GBP
€421 EUR
View
A
Retailer 5
-
£453 GBP
$607 USD
View
B+
Retailer 6
-
£634 GBP
$849 USD
View
B+
Retailer 7
-
£636 GBP
$852 USD
View
B+
Retailer 8
-
£790 GBP
View
Most Expensive
Michael Trio
1555502797 · Oct 13
£807 GBP
SGD 1,461 SGD
View
Price last confirmed 20 days ago
8 more retailers have this diamond
Prices start from £159 GBPSave up to £631 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
1.85ct Oval
£159 GBP