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Round|Lab Grown|IGI

1.03ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG786693070

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786693070

Diamond specifications and retailer prices

From £131 GBP
$176 USD
As of November 1, 2026
Save £634 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £766 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786693070 or 786693070. Listed at 20 retailers as of October 29, 2026, with prices from £131 to £766, a £634 spread on the same certified stone. MOH London lists it at £766. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786693070
Dimensions6.48 × 6.50 × 3.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.48 mm6.50 mm1.03 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786693070
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.1%

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: Nov 1
Current: £766 GBP|Low: £126 GBP|High: £773 GBP|Avg: £355 GBP|-1.0%
MOH London
Retailer 2
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Retailer 10
Retailer 11
Retailer 12
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Retailer 18
November 1, 2026
Retailer 16£131 GBP
Retailer 3£152 GBP
Retailer 6£163 GBP
Retailer 18£163 GBP
Retailer 17£191 GBP
Retailer 4£230 GBP
Retailer 2£281 GBP
Retailer 13£284 GBP
Retailer 12£292 GBP
Retailer 9£343 GBP
Retailer 15£398 GBP
Retailer 14£405 GBP
Retailer 8£452 GBP
Retailer 7£470 GBP
Retailer 5£524 GBP
Retailer 10£565 GBP
Retailer 11£713 GBP
MOH London£766 GBP

39 data points across 18 retailers

20 retailers£131 GBP to £766 GBP

A
Cheapest Retailer
-
£131 GBP
$176 USD
A
Retailer 2
-
£152 GBP
$204 USD
View
A
Retailer 3
-
£163 GBP
$218 USD
View
Retailer 4
-
£163 GBP
$218 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£191 GBP
HK$2,000 HKD
View
B+
Retailer 6
-
£230 GBP
$308 USD
View
A
Retailer 7
-
£281 GBP
ZAR 6,091 ZAR
View
A
Retailer 8
-
£284 GBP
€363 EUR
View
A
Retailer 9
-
£292 GBP
View
B+
Retailer 10
-
£343 GBP
$459 USD
View
B+
Retailer 11
-
£398 GBP
A$820 AUD
View
B+
Retailer 12
-
£405 GBP
$542 USD
View
B+
Retailer 13
-
£452 GBP
$606 USD
View
B+
Retailer 14
-
£470 GBP
SGD 851 SGD
View
B+
Retailer 15
-
£524 GBP
$702 USD
View
B
Retailer 16
-
£554 GBP
$742 USD
View
B
Retailer 17
-
£565 GBP
$757 USD
View
B
Retailer 18
-
£578 GBP
$775 USD
View
B
Retailer 19
-
£713 GBP
$955 USD
View
Most Expensive
B
MOH London
LG786693070 · Oct 29
£766 GBP
View
19 more retailers have this diamond
Prices start from £131 GBPSave up to £634 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
1.03ct Round
£131 GBP