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Round|Lab Grown|IGI

1.09ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG837612135

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837612135

Diamond specifications and retailer prices

From £119 GBP
$160 USD
As of October 30, 2026
Save £636 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £755 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837612135 or 837612135. Listed at 14 retailers as of October 30, 2026, with prices from £119 to £755, a £636 spread on the same certified stone. Reve Diamonds lists it at £755. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837612135
Dimensions6.65 × 6.61 × 4.08 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
6.65 mm6.61 mm1.09 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837612135
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
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 30
Current: £222 GBP|Low: £119 GBP|High: £755 GBP|Avg: £369 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
October 30, 2026
Retailer 7£119 GBP
Retailer 6£187 GBP
Retailer 1£222 GBP
Retailer 2£227 GBP
Retailer 8£299 GBP
Retailer 4£323 GBP
Retailer 5£450 GBP
Retailer 9£467 GBP
Retailer 3£620 GBP
Reve Diamonds£755 GBP

28 data points across 10 retailers

14 retailers£119 GBP to £755 GBP

Retailer 1
-
£102 GBP
$137 USD
Price last confirmed 23 days ago
A
Retailer 2
-
£119 GBP
$160 USD
View
Final sale: no returns
Retailer 3
-
£133 GBP
$178 USD
View
Price last confirmed 23 days ago
Retailer 4
-
£133 GBP
$178 USD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
£187 GBP
$250 USD
View
A
Retailer 6
-
£222 GBP
View
A
Retailer 7
-
£227 GBP
ZAR 4,924 ZAR
View
B+
Retailer 8
-
£299 GBP
$400 USD
View
B+
Retailer 9
-
£323 GBP
A$666 AUD
View
Retailer 10
-
£426 GBP
$571 USD
View
Price last confirmed 27 days ago
B
Retailer 11
-
£450 GBP
$603 USD
View
B+
Retailer 12
-
£467 GBP
$626 USD
View
B
Retailer 13
-
£620 GBP
View
Most Expensive
B
Reve Diamonds
6C56976FB · Oct 30
£755 GBP
$1,012 USD
View
13 more retailers have this diamond
Prices start from £119 GBPSave up to £636 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
£119 GBP