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Round|Lab Grown|IGI

2.61ct G FL Round Lab Grown Diamond

ID • G/FL • IGI LG850681135

Shape and cutting style on the report: Round brilliant

Certificate IGI LG850681135

Diamond specifications and retailer prices

From £917 GBP
HK$9,600 HKD
As of October 30, 2026
Save £4,136 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £5,053 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.61ct lab-grown round diamond

This 2.61ct lab-grown round sits in the two to three carat band, graded G colour (near-colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG850681135 or 850681135. Listed at 11 retailers as of October 30, 2026, with prices from £917 to £5,053, a £4,136 spread on the same certified stone. Brilliant Earth lists it at £5,053. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.61
Carat
G
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850681135
Dimensions8.86 × 8.83 × 5.41 mm
L/W Ratio1.00
Girdle conditionFaceted
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
8.86 mm8.83 mm2.61 ctG / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850681135
Side View
Table 58.0%Crown 34.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.1%

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: Oct 30
Current: £5,053 GBP|Low: £917 GBP|High: £5,806 GBP|Avg: £1,983 GBP|-13.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3£917 GBP
Retailer 10£918 GBP
Retailer 8£1,128 GBP
Retailer 4£1,209 GBP
Retailer 6£1,257 GBP
Retailer 2£1,364 GBP
Retailer 5£2,033 GBP
Retailer 11£2,350 GBP
Retailer 9£2,648 GBP
Retailer 7£2,687 GBP
Brilliant Earth£5,053 GBP

5 data points across 11 retailers

11 retailers£917 GBP to £5,053 GBP

A
Cheapest Retailer
-
£917 GBP
HK$9,600 HKD
A
Retailer 2
-
£918 GBP
$1,230 USD
View
A
Retailer 3
-
£1,128 GBP
$1,512 USD
View
A
Retailer 4
-
£1,209 GBP
View
B+
Retailer 5
-
£1,257 GBP
€1,604 EUR
View
B+
Retailer 6
-
£1,364 GBP
View
B+
Retailer 7
-
£2,033 GBP
ZAR 44,016 ZAR
View
B
Retailer 8
-
£2,350 GBP
$3,149 USD
View
B
Retailer 9
-
£2,648 GBP
SGD 4,794 SGD
View
B
Retailer 10
-
£2,687 GBP
View
Most Expensive
B
Brilliant Earth
22315510A · Oct 30
£5,053 GBP
$6,770 USD
View
10 more retailers have this diamond
Prices start from £917 GBPSave up to £4,136 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
2.61ct Round
£917 GBP