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Round|Lab Grown|IGI

29.08ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG817647136

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817647136

Diamond specifications and retailer prices

From £17,059 GBP
$22,857 USD
As of October 26, 2026
Save £28,482 GBP (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £45,541 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 29.08ct lab-grown round diamond

This 29.08ct 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 LG817647136 or 817647136. Listed at 10 retailers as of October 26, 2026, with prices from £17,059 to £45,541, a £28,482 spread on the same certified stone. Brilliant Earth lists it at £45,541. 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

29.08
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817647136
Dimensions20.11 × 19.98 × 11.80 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
20.11 mm19.98 mm29.08 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817647136
Side View
Table 59.0%Crown 32.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 58.9%

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 26
Current: £45,541 GBP|Low: £16,908 GBP|High: £54,800 GBP|Avg: £31,287 GBP|-4.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 4£17,059 GBP
Retailer 10£17,619 GBP
Retailer 7£19,488 GBP
Retailer 3£20,384 GBP
Retailer 5£22,281 GBP
Retailer 6£37,047 GBP
Retailer 9£41,984 GBP
Retailer 2£44,333 GBP
Retailer 8£45,272 GBP
Brilliant Earth£45,541 GBP

30 data points across 10 retailers

10 retailers£17,059 GBP to £45,541 GBP

B+
Cheapest Retailer
-
£17,059 GBP
$22,857 USD
Retailer 2
-
£17,619 GBP
$23,608 USD
View
Price last confirmed 72 days ago
B
Retailer 3
-
£19,488 GBP
$26,112 USD
View
B
Retailer 4
-
£20,384 GBP
View
B
Retailer 5
-
£22,281 GBP
$29,854 USD
View
Final sale: no returns
Retailer 6
-
£37,047 GBP
A$76,368 AUD
View
Price last confirmed 8 days ago
B
Retailer 7
-
£41,984 GBP
$56,254 USD
View
B
Retailer 8
-
£44,333 GBP
€56,573 EUR
View
B
Retailer 9
-
£45,272 GBP
$60,659 USD
View
Most Expensive
B
Brilliant Earth
20851042A · Oct 29
£45,541 GBP
$61,020 USD
View
9 more retailers have this diamond
Prices start from £17,059 GBPSave up to £28,482 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+
29.08ct Round
£17,059 GBP