Round|Lab Grown|IGI

10.27ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG601301971

Shape and cutting style on the report: Round brilliant

Certificate IGI LG601301971

Diamond specifications and retailer prices

From £4,400 GBP
$5,896 USD
As of October 31, 2026
Save £12,778 GBP (74%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £17,179 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 10.27ct lab-grown round diamond

This 10.27ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG601301971 or 601301971. Listed at 5 retailers as of October 30, 2026, with prices from £4,400 to £17,179, a £12,778 spread on the same certified stone. Taylor and Hart lists it at £17,179. 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

10.27
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG601301971
Dimensions14.29 × 14.23 × 8.36 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.29 mm14.23 mm10.27 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG601301971
Side View
Table 59.0%Crown 31.8°GirdlePavilion 40.6°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £6,230 GBP|Low: £4,400 GBP|High: £17,179 GBP|Avg: £8,609 GBP|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
October 31, 2026
Retailer 4£4,400 GBP
Retailer 1£6,230 GBP
Retailer 3£6,893 GBP
Retailer 2£8,337 GBP
Taylor and Hart£17,179 GBP

38 data points across 5 retailers

5 retailers£4,400 GBP to £17,179 GBP

B+
Cheapest Retailer
-
£4,400 GBP
$5,896 USD
B
Retailer 2
-
£6,230 GBP
View
B
Retailer 3
-
£6,893 GBP
View
B
Retailer 4
-
£8,337 GBP
$11,171 USD
View
Most Expensive
B
Taylor and Hart
0MA1DRB · Oct 30
£17,179 GBP
$23,018 USD
View
4 more retailers have this diamond
Prices start from £4,400 GBPSave up to £12,778 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+
10.27ct Round
£4,400 GBP