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Round|Lab Grown|IGI

0.90ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG612341034

Shape and cutting style on the report: Round brilliant

Certificate IGI LG612341034

Diamond specifications and retailer prices

From £157 GBP
$209 USD
As of October 26, 2026
Save £761 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £918 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG612341034 or 612341034. Listed at 19 retailers as of October 26, 2026, with prices from £157 to £918, a £761 spread on the same certified stone. Reve Diamonds lists it at £918. 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 angle36.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612341034
Dimensions6.13 × 6.06 × 3.85 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
6.13 mm6.06 mm0.90 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612341034
Side View
Table 56.0%Crown 36.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.1%

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 26
Current: £182 GBP|Low: £151 GBP|High: £790 GBP|Avg: £350 GBP
Retailer 1
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
Retailer 15
October 30, 2026
Retailer 13£157 GBP
Retailer 7£176 GBP
Retailer 1£182 GBP
Retailer 5£194 GBP
Retailer 12£194 GBP
Retailer 3£219 GBP
Retailer 14£308 GBP
Retailer 10£330 GBP
Retailer 4£335 GBP
Retailer 9£358 GBP
Retailer 6£368 GBP
Retailer 8£375 GBP
Retailer 11£626 GBP
Retailer 2£628 GBP
Retailer 15£784 GBP

41 data points across 15 retailers

19 retailers£157 GBP to £918 GBP

A
Cheapest Retailer
-
£157 GBP
$209 USD
A
Retailer 2
-
£176 GBP
$234 USD
View
Final sale: no returns
A
Retailer 3
-
£182 GBP
$242 USD
View
Retailer 4
-
£194 GBP
$259 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
£194 GBP
$259 USD
View
A
Retailer 6
-
£219 GBP
$291 USD
View
A
Retailer 7
-
£221 GBP
HK$2,300 HKD
View
B+
Retailer 8
-
£308 GBP
$410 USD
View
B+
Retailer 9
-
£330 GBP
€418 EUR
View
B+
Retailer 10
-
£335 GBP
$446 USD
View
B+
Retailer 11
-
£358 GBP
View
B
Retailer 12
-
£368 GBP
$490 USD
View
B+
Retailer 13
-
£375 GBP
View
B
Retailer 14
-
£527 GBP
SGD 949 SGD
View
B
Retailer 15
-
£626 GBP
$833 USD
View
Retailer 16
-
£628 GBP
$836 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
£666 GBP
$886 USD
View
Retailer 18
-
£784 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Reve Diamonds
461A4A6BD · Oct 30
£918 GBP
$1,222 USD
View
18 more retailers have this diamond
Prices start from £157 GBPSave up to £761 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
£157 GBP