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Cushion|Lab Grown|IGI

3.00ct H SI1 Cushion Lab Grown Diamond

VG • H/SI1 • IGI LG523265606

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG523265606

Diamond specifications and retailer prices

From £2,605 GBP
$3,490 USD
As of October 29, 2026
Save £5,425 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £16,367 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG523265606 or 523265606. Listed at 9 retailers as of October 29, 2026, with a 208% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.00
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523265606
Dimensions8.44 × 7.70 × 5.07 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.44 mm7.70 mm3.00 ctH / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523265606
Side View
Table 58.5%Crown 33.9°Girdle: MED-ETKPavilion 31.1°Culet: NoneDepth 65.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £8,030 GBP|Low: £2,605 GBP|High: £16,367 GBP|Avg: £7,785 GBP|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 30, 2026
Retailer 4£2,605 GBP
Retailer 8£5,782 GBP
Retailer 7£6,042 GBP
Retailer 9£6,224 GBP
Retailer 5£6,259 GBP
Retailer 10£6,424 GBP
Retailer 6£7,251 GBP
Retailer 1£8,030 GBP
Retailer 2£8,063 GBP
Retailer 3£12,355 GBP
Reve Diamonds£16,367 GBP

36 data points across 11 retailers

9 retailers£2,605 GBP to £8,030 GBP

B
Cheapest Retailer
-
£2,605 GBP
$3,490 USD
B
Retailer 2
-
£5,782 GBP
$7,747 USD
View
B
Retailer 3
-
£6,042 GBP
$8,096 USD
View
Final sale: no returns
B
Retailer 4
-
£6,224 GBP
$8,340 USD
View
Retailer 5
-
£6,259 GBP
$8,386 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
£7,251 GBP
$9,715 USD
View
B
Retailer 7
-
£8,030 GBP
View
Most Expensive
Reve Diamonds
EE4480F95 · Oct 30
£16,367 GBP
$21,930 USD
View
Price under review
7 more retailers have this diamond
Prices start from £2,605 GBPSave up to £5,425 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.

B
3.00ct Cushion
£2,605 GBP