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Round|Lab Grown|IGI

1.02ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG833644109

Shape and cutting style on the report: Round brilliant

Certificate IGI LG833644109

Diamond specifications and retailer prices

From £108 GBP
$145 USD
As of October 29, 2026
Save £523 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £631 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.02ct lab-grown round diamond

This 1.02ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833644109 or 833644109. Listed at 17 retailers as of October 29, 2026, with prices from £108 to £631, a £523 spread on the same certified stone. MOH London lists it at £631. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833644109
Dimensions6.44 × 6.38 × 3.98 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
6.44 mm6.38 mm1.02 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833644109
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £631 GBP|Low: £108 GBP|High: £636 GBP|Avg: £330 GBP|+0.3%
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
Retailer 14
November 1, 2026
Retailer 11£108 GBP
Retailer 14£134 GBP
Retailer 2£229 GBP
Retailer 9£231 GBP
Retailer 7£234 GBP
Retailer 3£249 GBP
Retailer 13£299 GBP
Retailer 10£327 GBP
Retailer 8£343 GBP
Retailer 5£372 GBP
Retailer 12£373 GBP
Retailer 4£419 GBP
Retailer 6£473 GBP
MOH London£631 GBP

30 data points across 14 retailers

17 retailers£108 GBP to £631 GBP

A
Cheapest Retailer
-
£108 GBP
$145 USD
A
Retailer 2
-
£125 GBP
$168 USD
View
A
Retailer 3
-
£134 GBP
$180 USD
View
Retailer 4
-
£134 GBP
$180 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
£229 GBP
$307 USD
View
A
Retailer 6
-
£231 GBP
ZAR 4,992 ZAR
View
A
Retailer 7
-
£234 GBP
€299 EUR
View
A
Retailer 8
-
£249 GBP
$333 USD
View
Retailer 9
-
£299 GBP
$400 USD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
£327 GBP
A$675 AUD
View
B+
Retailer 11
-
£343 GBP
$459 USD
View
B+
Retailer 12
-
£372 GBP
SGD 674 SGD
View
B+
Retailer 13
-
£373 GBP
$500 USD
View
B+
Retailer 14
-
£427 GBP
$572 USD
View
B+
Retailer 15
-
£432 GBP
$579 USD
View
B
Retailer 16
-
£473 GBP
$634 USD
View
Most Expensive
B
MOH London
LG833644109 · Oct 29
£631 GBP
View
16 more retailers have this diamond
Prices start from £108 GBPSave up to £523 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
1.02ct Round
£108 GBP