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Radiant|Lab Grown|IGI

2.09ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG707535427

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG707535427

Diamond specifications and retailer prices

From £173 GBP
As of November 6, 2026
Save £518 GBP (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,238 GBP at Rare Carat · As of December 10, 2025
View at Rare Carat

About this 2.09ct lab-grown radiant diamond

This 2.09ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG707535427 or 707535427. Listed at 13 retailers as of November 3, 2026, with a 300% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707535427
Dimensions9.05 × 6.40 × 4.16 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.05 mm6.40 mm2.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707535427
Side View
Table 61.0%Crown 43°Girdle: MediumPavilion 34.5°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
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: Nov 6
Current: £1,238 GBP|Low: £173 GBP|High: £1,674 GBP|Avg: £570 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 10£173 GBP
Retailer 12£200 GBP
Retailer 13£214 GBP
Retailer 4£239 GBP
Retailer 8£266 GBP
Retailer 2£358 GBP
Retailer 5£363 GBP
Retailer 9£396 GBP
Retailer 15£420 GBP
Retailer 3£488 GBP
Retailer 11£688 GBP
Retailer 14£690 GBP
Retailer 6£951 GBP
Rare Carat£1,238 GBP
Retailer 7£1,674 GBP

10 data points across 15 retailers

13 retailers£173 GBP to £690 GBP

A
Cheapest Retailer
-
£173 GBP
A
Retailer 2
-
£200 GBP
View
A
Retailer 3
-
£214 GBP
View
A
Retailer 4
-
£239 GBP
View
A
Retailer 5
-
£266 GBP
View
A
Retailer 6
-
£358 GBP
View
B+
Retailer 7
-
£363 GBP
View
A
Retailer 8
-
£396 GBP
View
A
Retailer 9
-
£420 GBP
View
A
Retailer 10
-
£488 GBP
View
B+
Retailer 11
-
£688 GBP
View
B+
Retailer 12
-
£690 GBP
View
Most Expensive
Rare Carat
1283386 · Dec 10
£1,238 GBP
$1,658 USD
View
Price last confirmed 331 days ago
12 more retailers have this diamond
Prices start from £173 GBPSave up to £518 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 Radiant
£173 GBP