Heart|Lab Grown|IGI

1.05ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG816607656

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG816607656

Diamond specifications and retailer prices

From £199 GBP
$266 USD
As of October 30, 2026
Save £901 GBP (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,099 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816607656 or 816607656. Listed at 22 retailers as of October 27, 2026, with prices from £199 to £1,099, a £901 spread on the same certified stone. Queensmith lists it at £1,099. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle29.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816607656
Dimensions6.00 × 6.89 × 3.45 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.00 mm6.89 mm1.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816607656
Side View
Table 67.0%Crown 33.9°Girdle: THK-VTKPavilion 29.6°Culet: NoneDepth 50.1%

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 30
Current: £1,099 GBP|Low: £199 GBP|High: £1,099 GBP|Avg: £532 GBP
Queensmith
Retailer 2
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October 31, 2026
Retailer 22£199 GBP
Retailer 11£222 GBP
Retailer 20£230 GBP
Retailer 4£246 GBP
Retailer 21£246 GBP
Retailer 15£277 GBP
Retailer 3£279 GBP
Retailer 16£309 GBP
Retailer 7£332 GBP
Retailer 9£366 GBP
Retailer 19£423 GBP
Retailer 6£428 GBP
Retailer 2£471 GBP
Retailer 18£599 GBP
Retailer 13£627 GBP
Retailer 12£662 GBP
Retailer 5£790 GBP
Retailer 10£829 GBP
Retailer 14£867 GBP
Retailer 17£991 GBP
Retailer 8£1,047 GBP
Queensmith£1,099 GBP

27 data points across 22 retailers

22 retailers£199 GBP to £1,099 GBP

A
Cheapest Retailer
-
£199 GBP
$266 USD
A
Retailer 2
-
£222 GBP
$298 USD
View
Final sale: no returns
A
Retailer 3
-
£230 GBP
$308 USD
View
A
Retailer 4
-
£246 GBP
$330 USD
View
A
Retailer 5
-
£246 GBP
$330 USD
View
A
Retailer 6
-
£277 GBP
HK$2,900 HKD
View
A
Retailer 7
-
£279 GBP
$374 USD
View
B+
Retailer 8
-
£309 GBP
View
B+
Retailer 9
-
£332 GBP
$445 USD
View
B+
Retailer 10
-
£366 GBP
$490 USD
View
B+
Retailer 11
-
£423 GBP
ZAR 9,148 ZAR
View
B+
Retailer 12
-
£428 GBP
$573 USD
View
B
Retailer 13
-
£471 GBP
View
B
Retailer 14
-
£599 GBP
A$1,234 AUD
View
B
Retailer 15
-
£627 GBP
$840 USD
View
B
Retailer 16
-
£662 GBP
SGD 1,198 SGD
View
B
Retailer 17
-
£790 GBP
$1,059 USD
View
B
Retailer 18
-
£829 GBP
$1,111 USD
View
B
Retailer 19
-
£867 GBP
$1,162 USD
View
B
Retailer 20
-
£991 GBP
View
B
Retailer 21
-
£1,047 GBP
$1,404 USD
View
Most Expensive
B
Queensmith
LG816607656 · Oct 27
£1,099 GBP
View
21 more retailers have this diamond
Prices start from £199 GBPSave up to £901 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
£199 GBP