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Round|Lab Grown|IGI

0.90ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG782653940

Shape and cutting style on the report: Round brilliant

Certificate IGI LG782653940

Diamond specifications and retailer prices

From £154 GBP
$205 USD
As of October 30, 2026
Save £794 GBP (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £948 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.9ct lab-grown round diamond

This 0.9ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG782653940 or 782653940. Listed at 8 retailers as of October 26, 2026, with prices from £154 to £948, a £794 spread on the same certified stone. MOH London lists it at £948. 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

0.90
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782653940
Dimensions6.39 × 6.34 × 3.71 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
6.39 mm6.34 mm0.90 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782653940
Side View
Table 62.0%Crown 31.8°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 58.4%

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: £948 GBP|Low: £154 GBP|High: £958 GBP|Avg: £309 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6£154 GBP
Retailer 7£195 GBP
Retailer 3£203 GBP
Retailer 2£234 GBP
Retailer 4£274 GBP
Retailer 5£296 GBP
MOH London£948 GBP

38 data points across 7 retailers

8 retailers£154 GBP to £948 GBP

B+
Cheapest Retailer
-
£154 GBP
$205 USD
A
Retailer 2
-
£195 GBP
$260 USD
View
A
Retailer 3
-
£203 GBP
€258 EUR
View
A
Retailer 4
-
£234 GBP
View
B+
Retailer 5
-
£274 GBP
$365 USD
View
B+
Retailer 6
-
£296 GBP
$394 USD
View
B
Retailer 7
-
£407 GBP
$542 USD
View
Most Expensive
B
MOH London
LG782653940 · Oct 26
£948 GBP
View
7 more retailers have this diamond
Prices start from £154 GBPSave up to £794 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
0.90ct Round
£154 GBP