CaratHunter
Plans
Cushion|Lab Grown|IGI

1.30ct D IF Cushion Lab Grown Diamond

VG • D/IF • IGI LG845699646

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG845699646

Diamond specifications and retailer prices

From £478 GBP
As of November 4, 2026
Save £1,299 GBP (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,306 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.3ct lab-grown cushion diamond

This 1.3ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG845699646 or 845699646. Listed at 11 retailers as of November 4, 2026, with a 272% 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

1.30
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845699646
Dimensions7.64 × 5.83 × 3.78 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizeLarge
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
Top View
7.64 mm5.83 mm1.30 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845699646
Side View
Table 57.0%Crown 37.4°Girdle: MED-STKPavilion 40.4°Culet: LargeDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,306 GBP|Low: £478 GBP|High: £2,306 GBP|Avg: £1,171 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 11£478 GBP
Retailer 6£611 GBP
Retailer 9£729 GBP
Retailer 7£816 GBP
Retailer 2£820 GBP
Retailer 4£911 GBP
Retailer 5£1,293 GBP
Retailer 3£1,676 GBP
Retailer 10£1,717 GBP
Retailer 8£1,776 GBP
MOH London£2,306 GBP

14 data points across 11 retailers

11 retailers£478 GBP to £1,776 GBP

A
Cheapest Retailer
-
£478 GBP
Final sale: no returns
A
Retailer 2
-
£611 GBP
View
B+
Retailer 3
-
£729 GBP
View
B+
Retailer 4
-
£816 GBP
View
B+
Retailer 5
-
£820 GBP
View
B+
Retailer 6
-
£911 GBP
View
B
Retailer 7
-
£1,293 GBP
View
B
Retailer 8
-
£1,676 GBP
View
B
Retailer 9
-
£1,717 GBP
View
B
Retailer 10
-
£1,776 GBP
View
Most Expensive
MOH London
LG845699646 · Oct 26
£2,306 GBP
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from £478 GBPSave up to £1,299 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
1.30ct Cushion
£478 GBP