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Round|Lab Grown|IGI

1.02ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG838640812

Shape and cutting style on the report: Round brilliant

Certificate IGI LG838640812

Diamond specifications and retailer prices

From £130 GBP
$174 USD
As of November 1, 2026
Save £628 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £758 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 LG838640812 or 838640812. Listed at 18 retailers as of October 29, 2026, with prices from £130 to £758, a £628 spread on the same certified stone. MOH London lists it at £758. 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 angle35.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838640812
Dimensions6.45 × 6.48 × 3.98 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.45 mm6.48 mm1.02 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838640812
Side View
Table 55.0%Crown 35.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.6%

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: Nov 1
Current: £758 GBP|Low: £125 GBP|High: £763 GBP|Avg: £351 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
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Retailer 18
November 1, 2026
Retailer 17£130 GBP
Retailer 6£151 GBP
Retailer 4£161 GBP
Retailer 8£161 GBP
Retailer 5£230 GBP
Retailer 12£278 GBP
Retailer 2£278 GBP
Retailer 7£287 GBP
Retailer 16£291 GBP
Retailer 11£295 GBP
Retailer 3£341 GBP
Retailer 13£381 GBP
Retailer 14£393 GBP
Retailer 15£405 GBP
Retailer 18£519 GBP
Retailer 9£559 GBP
Retailer 10£578 GBP
MOH London£758 GBP

30 data points across 18 retailers

18 retailers£130 GBP to £758 GBP

A
Cheapest Retailer
-
£130 GBP
$174 USD
A
Retailer 2
-
£151 GBP
$202 USD
View
Retailer 3
-
£161 GBP
$216 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£161 GBP
$216 USD
View
A
Retailer 5
-
£230 GBP
$308 USD
View
A
Retailer 6
-
£278 GBP
€355 EUR
View
A
Retailer 7
-
£278 GBP
ZAR 6,027 ZAR
View
B+
Retailer 8
-
£287 GBP
$384 USD
View
A
Retailer 9
-
£291 GBP
$390 USD
View
A
Retailer 10
-
£295 GBP
View
B+
Retailer 11
-
£341 GBP
$457 USD
View
B+
Retailer 12
-
£381 GBP
$510 USD
View
B+
Retailer 13
-
£393 GBP
A$811 AUD
View
B+
Retailer 14
-
£405 GBP
$542 USD
View
B
Retailer 15
-
£519 GBP
$695 USD
View
B
Retailer 16
-
£559 GBP
$749 USD
View
B
Retailer 17
-
£578 GBP
$775 USD
View
Most Expensive
B
MOH London
LG838640812 · Oct 29
£758 GBP
View
17 more retailers have this diamond
Prices start from £130 GBPSave up to £628 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
£130 GBP