Heart|Lab Grown|IGI

1.05ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG807648334

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG807648334

Diamond specifications and retailer prices

From £210 GBP
$281 USD
As of November 1, 2026
Save £416 GBP (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £626 GBP at Michael Trio · As of November 1, 2026
View at Michael Trio

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807648334 or 807648334. Listed at 6 retailers as of November 1, 2026, with prices from £210 to £626, a £416 spread on the same certified stone. Michael Trio lists it at £626. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807648334
Dimensions6.79 × 6.91 × 4.01 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.79 mm6.91 mm1.05 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG807648334
Side View
Table 61.0%Crown 33.2°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 58.0%

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: £626 GBP|Low: £201 GBP|High: £626 GBP|Avg: £393 GBP|+25.5%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5£210 GBP
Retailer 4£258 GBP
Retailer 3£301 GBP
Retailer 7£320 GBP
Retailer 6£325 GBP
Retailer 2£582 GBP
Retailer 8£605 GBP
Michael Trio£626 GBP

13 data points across 8 retailers

6 retailers£210 GBP to £626 GBP

A
Cheapest Retailer
-
£210 GBP
$281 USD
B+
Retailer 2
-
£258 GBP
HK$2,700 HKD
View
B+
Retailer 3
-
£301 GBP
€384 EUR
View
B+
Retailer 4
-
£325 GBP
$435 USD
View
B
Retailer 5
-
£582 GBP
$780 USD
View
Most Expensive
B
Michael Trio
6203396630 · Nov 1
£626 GBP
SGD 1,133 SGD
View
5 more retailers have this diamond
Prices start from £210 GBPSave up to £416 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
1.05ct Heart
£210 GBP