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Oval|Lab Grown|IGI

1.60ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG811686030

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG811686030

Diamond specifications and retailer prices

From £220 GBP
HK$2,300 HKD
As of October 30, 2026
Save £572 GBP (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £791 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.6ct lab-grown oval diamond

This 1.6ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG811686030 or 811686030. Listed at 8 retailers as of October 29, 2026, with prices from £220 to £791, a £572 spread on the same certified stone. MOH London lists it at £791. 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

1.60
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811686030
Dimensions9.38 × 6.74 × 4.06 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.38 mm6.74 mm1.60 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811686030
Side View
Table 62.0%Crown 34.4°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 60.2%

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: Oct 30
Current: £791 GBP|Low: £220 GBP|High: £795 GBP|Avg: £441 GBP|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5£220 GBP
Retailer 7£338 GBP
Retailer 4£345 GBP
Retailer 2£360 GBP
Retailer 6£389 GBP
Retailer 8£407 GBP
Retailer 3£731 GBP
MOH London£791 GBP

43 data points across 8 retailers

8 retailers£220 GBP to £791 GBP

A
Cheapest Retailer
-
£220 GBP
HK$2,300 HKD
B+
Retailer 2
-
£338 GBP
$453 USD
View
Retailer 3
-
£345 GBP
€440 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
£360 GBP
View
A
Retailer 5
-
£389 GBP
$521 USD
View
A
Retailer 6
-
£407 GBP
$546 USD
View
Retailer 7
-
£731 GBP
$980 USD
View
Price last confirmed 12 days ago
Most Expensive
B
MOH London
LG811686030 · Oct 29
£791 GBP
View
7 more retailers have this diamond
Prices start from £220 GBPSave up to £572 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
1.60ct Oval
£220 GBP