Round|Lab Grown|IGI

9.88ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG845664298

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845664298

Diamond specifications and retailer prices

From £1,128 GBP
$1,512 USD
As of October 30, 2026
Save £4,880 GBP (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £6,008 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 9.88ct lab-grown round diamond

This 9.88ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845664298 or 845664298. Listed at 3 retailers as of October 29, 2026, with prices from £1,128 to £6,008, a £4,880 spread on the same certified stone. Brilliant Earth lists it at £6,008. 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

9.88
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845664298
Dimensions13.75 × 13.84 × 8.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.75 mm13.84 mm9.88 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845664298
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £6,008 GBP|Low: £1,128 GBP|High: £6,008 GBP|Avg: £3,159 GBP
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3£1,128 GBP
Retailer 2£1,648 GBP
Brilliant Earth£6,008 GBP

13 data points across 3 retailers

3 retailers£1,128 GBP to £6,008 GBP

A
Cheapest Retailer
-
£1,128 GBP
$1,512 USD
Final sale: no returns
A
Retailer 2
-
£1,648 GBP
View
Most Expensive
B
Brilliant Earth
22150532A · Oct 29
£6,008 GBP
$8,050 USD
View
2 more retailers have this diamond
Prices start from £1,128 GBPSave up to £4,880 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
9.88ct Round
£1,128 GBP