CaratHunter
Plans
Cushion|Lab Grown|IGI

2.09ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG678583303

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG678583303

Diamond specifications and retailer prices

From £324 GBP
As of November 6, 2026
Save £2,380 GBP (88%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,705 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 2.09ct lab-grown cushion diamond

This 2.09ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678583303 or 678583303. Listed at 8 retailers as of November 6, 2026, with prices from £324 to £2,705, a £2,380 spread on the same certified stone. Do Amore Diamonds lists it at £2,705. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678583303
Dimensions9.23 × 6.07 × 3.91 mm
L/W Ratio1.52
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
9.23 mm6.07 mm2.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678583303
Side View
Table 62.0%Crown 37.5°Girdle: MED-THKPavilionCulet: LargeDepth 64.4%

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 6
Current: £2,705 GBP|Low: £312 GBP|High: £2,705 GBP|Avg: £1,113 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6£324 GBP
Retailer 9£363 GBP
Retailer 7£632 GBP
Retailer 4£635 GBP
Retailer 11£692 GBP
Retailer 10£784 GBP
Retailer 5£1,128 GBP
Retailer 8£1,427 GBP
Retailer 2£1,626 GBP
Retailer 3£1,857 GBP
Do Amore Diamonds£2,705 GBP

20 data points across 11 retailers

8 retailers£324 GBP to £2,705 GBP

A
Cheapest Retailer
-
£324 GBP
A
Retailer 2
-
£363 GBP
View
B+
Retailer 3
-
£632 GBP
View
B+
Retailer 4
-
£635 GBP
View
B
Retailer 5
-
£1,128 GBP
View
B
Retailer 6
-
£1,427 GBP
View
B
Retailer 7
-
£1,626 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1675292 · Nov 6
£2,705 GBP
$3,620 USD
View
7 more retailers have this diamond
Prices start from £324 GBPSave up to £2,380 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
2.09ct Cushion
£324 GBP