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Cushion|Lab Grown|IGI

11.34ct G VS1 Cushion Lab Grown Diamond

GD • G/VS1 • IGI LG670445377

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG670445377

Diamond specifications and retailer prices

From £1,330 GBP
As of October 26, 2026
Save £12,417 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £13,747 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 11.34ct lab-grown cushion diamond

This 11.34ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG670445377 or 670445377. Listed at 14 retailers as of October 26, 2026, with prices from £1,330 to £13,747, a £12,417 spread on the same certified stone. Brilliant Earth lists it at £13,747. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

11.34
Carat
G
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle19°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670445377
Dimensions16.26 × 15.25 × 4.41 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.26 mm15.25 mm11.34 ctG / VS1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG670445377
Side View
Table 62.0%Crown 19°Girdle: MED-THKPavilion 32.9°Culet: NoneDepth

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 26
Current: £13,747 GBP|Low: £1,328 GBP|High: £14,173 GBP|Avg: £4,037 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 6£1,330 GBP
Retailer 13£1,596 GBP
Retailer 12£1,654 GBP
Retailer 5£2,008 GBP
Retailer 9£2,142 GBP
Retailer 7£2,297 GBP
Retailer 8£2,592 GBP
Retailer 2£2,612 GBP
Retailer 3£4,457 GBP
Retailer 10£4,489 GBP
Retailer 11£4,734 GBP
Retailer 4£5,521 GBP
Brilliant Earth£13,747 GBP

36 data points across 13 retailers

14 retailers£1,330 GBP to £13,747 GBP

A
Cheapest Retailer
-
£1,330 GBP
Retailer 2
-
£1,654 GBP
$2,216 USD
View
Price last confirmed 22 days ago
B+
Retailer 3
-
£1,911 GBP
HK$20,000 HKD
View
B+
Retailer 4
-
£2,008 GBP
$2,690 USD
View
Retailer 5
-
£2,142 GBP
$2,870 USD
View
Price last confirmed 6 days ago
B+
Retailer 6
-
£2,297 GBP
View
B+
Retailer 7
-
£2,592 GBP
$3,473 USD
View
B+
Retailer 8
-
£2,612 GBP
€3,333 EUR
View
B
Retailer 9
-
£4,457 GBP
$5,972 USD
View
Retailer 10
-
£4,489 GBP
$6,015 USD
View
Price last confirmed 14 days ago
Retailer 11
-
£4,734 GBP
$6,343 USD
View
Price last confirmed 7 days ago
B
Retailer 12
-
£5,521 GBP
SGD 9,997 SGD
View
B
Retailer 13
-
£5,621 GBP
$7,531 USD
View
Most Expensive
C
Brilliant Earth
16242863A · Oct 26
£13,747 GBP
$18,420 USD
View
13 more retailers have this diamond
Prices start from £1,330 GBPSave up to £12,417 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
11.34ct Cushion
£1,330 GBP