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Round|Lab Grown|IGI

0.90ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG719532927

Shape and cutting style on the report: Round brilliant

Certificate IGI LG719532927

Diamond specifications and retailer prices

From £92 GBP
$122 USD
As of October 29, 2026
Save £274 GBP (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £366 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

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 LG719532927 or 719532927. Listed at 10 retailers as of October 27, 2026, with prices from £92 to £366, a £274 spread on the same certified stone. NZ Jewellers lists it at £366. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG719532927
Dimensions6.22 × 6.26 × 3.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.22 mm6.26 mm0.90 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG719532927
Side View
Table 56.0%Crown 34.2°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
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 29
Current: £366 GBP|Low: £92 GBP|High: £1,031 GBP|Avg: £329 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6£92 GBP
Retailer 11£135 GBP
Retailer 9£195 GBP
Retailer 5£207 GBP
Retailer 7£220 GBP
Retailer 10£220 GBP
Retailer 2£234 GBP
Retailer 8£297 GBP
Retailer 3£324 GBP
NZ Jewellers£366 GBP
Retailer 12£393 GBP
Retailer 4£398 GBP

4 data points across 12 retailers

10 retailers£92 GBP to £366 GBP

A
Cheapest Retailer
-
£92 GBP
$122 USD
A
Retailer 2
-
£135 GBP
HK$1,400 HKD
View
A
Retailer 3
-
£195 GBP
$260 USD
View
A
Retailer 4
-
£207 GBP
€262 EUR
View
A
Retailer 5
-
£220 GBP
View
A
Retailer 6
-
£220 GBP
$293 USD
View
A
Retailer 7
-
£234 GBP
View
B+
Retailer 8
-
£274 GBP
$365 USD
View
B+
Retailer 9
-
£297 GBP
$395 USD
View
Most Expensive
B+
NZ Jewellers
6b0a415b-0480-4331-adfd-65d17a6aa9fe · Oct 27
£366 GBP
$487 USD
View
9 more retailers have this diamond
Prices start from £92 GBPSave up to £274 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
£92 GBP