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Round|Lab Grown|IGI

1.09ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG758510054

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758510054

Diamond specifications and retailer prices

From £122 GBP
$163 USD
As of October 29, 2026
Save £681 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £803 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.09ct lab-grown round diamond

This 1.09ct 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 LG758510054 or 758510054. Listed at 22 retailers as of October 29, 2026, with prices from £122 to £803, a £681 spread on the same certified stone. Reve Diamonds lists it at £803. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758510054
Dimensions6.66 × 6.61 × 4.07 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
6.66 mm6.61 mm1.09 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758510054
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £512 GBP|Low: £121 GBP|High: £803 GBP|Avg: £359 GBP|+45.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
October 31, 2026
Retailer 4£122 GBP
Retailer 14£136 GBP
Retailer 2£151 GBP
Retailer 16£151 GBP
Retailer 9£252 GBP
Retailer 12£259 GBP
Retailer 17£272 GBP
Retailer 11£293 GBP
Retailer 7£332 GBP
Retailer 15£334 GBP
Retailer 13£368 GBP
Retailer 6£418 GBP
Retailer 5£485 GBP
Retailer 8£506 GBP
Retailer 1£512 GBP
Retailer 3£526 GBP
Retailer 10£709 GBP
Reve Diamonds£803 GBP

30 data points across 18 retailers

22 retailers£122 GBP to £803 GBP

Retailer 1
-
£121 GBP
$162 USD
Price last confirmed 40 days ago
A
Retailer 2
-
£122 GBP
$163 USD
View
A
Retailer 3
-
£136 GBP
$182 USD
View
Final sale: no returns
Retailer 4
-
£140 GBP
$187 USD
View
Price last confirmed 39 days ago
Retailer 5
-
£148 GBP
$198 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
£151 GBP
$202 USD
View
A
Retailer 7
-
£151 GBP
$202 USD
View
A
Retailer 8
-
£252 GBP
$337 USD
View
A
Retailer 9
-
£259 GBP
ZAR 5,605 ZAR
View
A
Retailer 10
-
£272 GBP
$364 USD
View
A
Retailer 11
-
£293 GBP
€374 EUR
View
Retailer 12
-
£332 GBP
$445 USD
View
Price last confirmed 89 days ago
B+
Retailer 13
-
£334 GBP
$447 USD
View
B+
Retailer 14
-
£368 GBP
A$758 AUD
View
B+
Retailer 15
-
£394 GBP
$528 USD
View
Retailer 16
-
£481 GBP
$644 USD
View
Price last confirmed 40 days ago
B+
Retailer 17
-
£485 GBP
$650 USD
View
B
Retailer 18
-
£512 GBP
$686 USD
View
B
Retailer 19
-
£516 GBP
$692 USD
View
B
Retailer 20
-
£526 GBP
$704 USD
View
B
Retailer 21
-
£709 GBP
View
Most Expensive
B
Reve Diamonds
4374B0330 · Oct 30
£803 GBP
$1,075 USD
View
21 more retailers have this diamond
Prices start from £122 GBPSave up to £681 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
1.09ct Round
£122 GBP