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Round|Lab Grown|IGI

0.81ct H SI1 Round Lab Grown Diamond

EX • H/SI1

Diamond specifications and retailer prices

From £877 GBP
$1,175 USD
As of October 25, 2026
3 retailers carry this diamond
Most expensive: £1,993 GBP at NZ Jewellers · As of September 1, 2026
View at NZ Jewellers

About this 0.81ct lab-grown round diamond

This 0.81ct lab-grown round sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 3 retailers as of October 25, 2026. 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

0.81
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginLab Grown
Grading LabIGI
Dimensions5.91 × 5.95 × 3.72 mm
L/W Ratio1.01
Top View
5.91 mm5.95 mm0.81 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateIGI
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 25
Current: £1,993 GBP|Low: £817 GBP|High: £1,993 GBP|Avg: £1,105 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 21, 2026
Retailer 4£817 GBP
Retailer 5£817 GBP
Retailer 2£877 GBP
Retailer 6£943 GBP
Retailer 3£1,018 GBP
Retailer 7£1,251 GBP
NZ Jewellers£1,993 GBP

5 data points across 7 retailers

3 retailers

Retailer 1
-
£817 GBP
$1,095 USD
Price last confirmed 62 days ago
B
Retailer 2
-
£877 GBP
$1,175 USD
View
Most Expensive
NZ Jewellers
8561e57e-29a7-4528-9f85-380c5953aa27 · Sep 1
£1,993 GBP
$2,671 USD
View
Price last confirmed 60 days ago
2 more retailers have this diamond
Prices start from £877 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.

B
0.81ct Round
£877 GBP