Round|Lab Grown|IGI

1.34ct H IF Round Lab Grown Diamond

ID • H/IF • IGI LG842644222

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842644222

Diamond specifications and retailer prices

From £263 GBP
$352 USD
As of October 30, 2026
Save £624 GBP (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,157 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.34ct lab-grown round diamond

This 1.34ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG842644222 or 842644222. Listed at 6 retailers as of October 29, 2026, with a 238% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.34
Carat
H
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842644222
Dimensions7.08 × 7.14 × 4.33 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
7.08 mm7.14 mm1.34 ctH / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842644222
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,157 GBP|Low: £263 GBP|High: £1,164 GBP|Avg: £632 GBP|-0.6%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 4£263 GBP
Retailer 5£375 GBP
Retailer 3£587 GBP
Retailer 6£647 GBP
Retailer 2£887 GBP
Rare Carat£1,157 GBP

7 data points across 6 retailers

6 retailers£263 GBP to £887 GBP

B+
Cheapest Retailer
-
£263 GBP
$352 USD
A
Retailer 2
-
£375 GBP
$502 USD
View
A
Retailer 3
-
£587 GBP
$787 USD
View
A
Retailer 4
-
£647 GBP
$867 USD
View
A
Retailer 5
-
£887 GBP
View
Most Expensive
Rare Carat
KK350_l_842644222 · Oct 21
£1,157 GBP
$1,550 USD
View
Price last confirmed 10 days ago
5 more retailers have this diamond
Prices start from £263 GBPSave up to £624 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
1.34ct Round
£263 GBP