CaratHunter
Plans
Round|Lab Grown|IGI

1.29ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG788620381

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788620381

Diamond specifications and retailer prices

From £134 GBP
$180 USD
As of November 1, 2026
Save £648 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £782 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788620381 or 788620381. Listed at 17 retailers as of October 29, 2026, with prices from £134 to £782, a £648 spread on the same certified stone. MOH London lists it at £782. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788620381
Dimensions6.94 × 7.01 × 4.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.94 mm7.01 mm1.29 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788620381
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.7%

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: £782 GBP|Low: £134 GBP|High: £786 GBP|Avg: £360 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9£134 GBP
Retailer 10£166 GBP
Retailer 7£287 GBP
Retailer 11£294 GBP
Retailer 6£299 GBP
Retailer 4£309 GBP
Retailer 3£353 GBP
Retailer 8£395 GBP
Retailer 5£405 GBP
Retailer 2£425 GBP
MOH London£782 GBP

45 data points across 11 retailers

17 retailers£134 GBP to £782 GBP

A
Cheapest Retailer
-
£134 GBP
$180 USD
A
Retailer 2
-
£156 GBP
$209 USD
View
A
Retailer 3
-
£166 GBP
$223 USD
View
Retailer 4
-
£166 GBP
$223 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£287 GBP
ZAR 6,222 ZAR
View
A
Retailer 6
-
£294 GBP
$395 USD
View
A
Retailer 7
-
£299 GBP
View
A
Retailer 8
-
£309 GBP
€395 EUR
View
A
Retailer 9
-
£325 GBP
$436 USD
View
B+
Retailer 10
-
£353 GBP
$474 USD
View
B+
Retailer 11
-
£395 GBP
$530 USD
View
B+
Retailer 12
-
£405 GBP
A$837 AUD
View
B+
Retailer 13
-
£425 GBP
$570 USD
View
B
Retailer 14
-
£534 GBP
$717 USD
View
B
Retailer 15
-
£575 GBP
$772 USD
View
B
Retailer 16
-
£599 GBP
$804 USD
View
Most Expensive
B
MOH London
LG788620381 · Oct 29
£782 GBP
View
16 more retailers have this diamond
Prices start from £134 GBPSave up to £648 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
1.29ct Round
£134 GBP