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Round|Lab Grown|IGI

1.61ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG775630067

Shape and cutting style on the report: Round brilliant

Certificate IGI LG775630067

Diamond specifications and retailer prices

From £173 GBP
$230 USD
As of October 29, 2026
Save £692 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £865 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.61ct lab-grown round diamond

This 1.61ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG775630067 or 775630067. Listed at 14 retailers as of October 29, 2026, with prices from £173 to £865, a £692 spread on the same certified stone. MOH London lists it at £865. 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

1.61
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775630067
Dimensions7.52 × 7.47 × 4.62 mm
L/W Ratio1.01
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
7.52 mm7.47 mm1.61 ctD / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG775630067
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £865 GBP|Low: £166 GBP|High: £886 GBP|Avg: £427 GBP|-2.4%
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
October 30, 2026
Retailer 11£173 GBP
Retailer 10£194 GBP
Retailer 4£215 GBP
Retailer 5£216 GBP
Retailer 6£355 GBP
Retailer 13£363 GBP
Retailer 2£403 GBP
Retailer 12£407 GBP
Retailer 3£482 GBP
Retailer 8£552 GBP
Retailer 9£586 GBP
Retailer 7£736 GBP
MOH London£865 GBP

33 data points across 13 retailers

14 retailers£173 GBP to £865 GBP

A
Cheapest Retailer
-
£173 GBP
$230 USD
A
Retailer 2
-
£194 GBP
$258 USD
View
Final sale: no returns
A
Retailer 3
-
£215 GBP
$286 USD
View
Retailer 4
-
£216 GBP
$287 USD
View
Price last confirmed 45 days ago
A
Retailer 5
-
£355 GBP
€450 EUR
View
A
Retailer 6
-
£363 GBP
$484 USD
View
B+
Retailer 7
-
£403 GBP
View
B+
Retailer 8
-
£407 GBP
$542 USD
View
B+
Retailer 9
-
£482 GBP
$642 USD
View
B+
Retailer 10
-
£552 GBP
$735 USD
View
B
Retailer 11
-
£586 GBP
$780 USD
View
Retailer 12
-
£641 GBP
$853 USD
View
Price last confirmed 45 days ago
B
Retailer 13
-
£736 GBP
$980 USD
View
Most Expensive
B
MOH London
LG775630067 · Oct 29
£865 GBP
View
13 more retailers have this diamond
Prices start from £173 GBPSave up to £692 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
1.61ct Round
£173 GBP