Round|Lab Grown|IGI

8.70ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG762546234

Shape and cutting style on the report: Round brilliant

Certificate IGI LG762546234

Diamond specifications and retailer prices

From £48,167 GBP
$64,539 USD
As of November 1, 2026
Save £3,889 GBP (7%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £52,057 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.7ct lab-grown round diamond

This 8.7ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762546234 or 762546234. Listed at 10 retailers as of October 31, 2026, with a relatively tight 8% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

8.70
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762546234
Dimensions13.34 × 13.39 × 7.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
13.34 mm13.39 mm8.70 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762546234
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 40.6°Culet: NoneDepth 59.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: £52,057 GBP|Low: £20,408 GBP|High: £185,702 GBP|Avg: £82,867 GBP|-10.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 11£20,408 GBP
Retailer 4£46,924 GBP
Retailer 9£48,167 GBP
Brilliant Earth£52,057 GBP
Retailer 12£63,816 GBP
Retailer 5£65,905 GBP
Retailer 8£74,387 GBP
Retailer 7£91,503 GBP
Retailer 6£96,919 GBP
Retailer 2£112,946 GBP
Retailer 3£125,941 GBP
Retailer 10£185,702 GBP

26 data points across 12 retailers

10 retailers£48,167 GBP to £52,057 GBP

Retailer 1
-
£20,408 GBP
$27,344 USD
Our latest check could not confirm this price
B
Retailer 2
-
£48,167 GBP
$64,539 USD
View
Most Expensive
B
Brilliant Earth
20885015Y · Oct 31
£52,057 GBP
$69,750 USD
View
2 more retailers have this diamond
Prices start from £48,167 GBPSave up to £3,889 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
8.70ct Round
£48,167 GBP