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Oval|Lab Grown|IGI

1.06ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG770666136

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770666136

Diamond specifications and retailer prices

From £117 GBP
$157 USD
As of October 29, 2026
Save £565 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £682 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.06ct lab-grown oval diamond

This 1.06ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770666136 or 770666136. Listed at 15 retailers as of October 29, 2026, with prices from £117 to £682, a £565 spread on the same certified stone. MOH London lists it at £682. 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

1.06
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770666136
Dimensions7.86 × 5.70 × 3.65 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.86 mm5.70 mm1.06 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770666136
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 64.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £682 GBP|Low: £113 GBP|High: £686 GBP|Avg: £289 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 10£117 GBP
Retailer 14£131 GBP
Retailer 3£136 GBP
Retailer 6£145 GBP
Retailer 12£145 GBP
Retailer 2£174 GBP
Retailer 8£250 GBP
Retailer 7£254 GBP
Retailer 13£263 GBP
Retailer 4£384 GBP
Retailer 5£466 GBP
Retailer 11£470 GBP
Retailer 9£493 GBP
MOH London£682 GBP

45 data points across 14 retailers

15 retailers£117 GBP to £682 GBP

A
Cheapest Retailer
-
£117 GBP
$157 USD
A
Retailer 2
-
£131 GBP
$175 USD
View
Final sale: no returns
A
Retailer 3
-
£136 GBP
$182 USD
View
A
Retailer 4
-
£145 GBP
$194 USD
View
A
Retailer 5
-
£145 GBP
$194 USD
View
A
Retailer 6
-
£174 GBP
View
A
Retailer 7
-
£254 GBP
View
A
Retailer 8
-
£261 GBP
$350 USD
View
A
Retailer 9
-
£263 GBP
$353 USD
View
B+
Retailer 10
-
£384 GBP
$514 USD
View
B+
Retailer 11
-
£466 GBP
$625 USD
View
B+
Retailer 12
-
£470 GBP
$630 USD
View
B
Retailer 13
-
£493 GBP
$660 USD
View
B
Retailer 14
-
£508 GBP
$680 USD
View
Most Expensive
B
MOH London
LG770666136 · Oct 29
£682 GBP
View
14 more retailers have this diamond
Prices start from £117 GBPSave up to £565 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
1.06ct Oval
£117 GBP