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Round|Lab Grown|IGI

12.69ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG616409385

Shape and cutting style on the report: Round brilliant

Certificate IGI LG616409385

Diamond specifications and retailer prices

From £2,650 GBP
As of November 1, 2026
Save £12,889 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £15,539 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.69ct lab-grown round diamond

This 12.69ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG616409385 or 616409385. Listed at 19 retailers as of October 31, 2026, with prices from £2,650 to £15,539, a £12,889 spread on the same certified stone. Brilliant Earth lists it at £15,539. 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

12.69
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG616409385
Dimensions14.82 × 14.73 × 9.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
14.82 mm14.73 mm12.69 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG616409385
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 40.2°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £15,539 GBP|Low: £2,649 GBP|High: £15,583 GBP|Avg: £5,330 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 1, 2026
Retailer 2£2,650 GBP
Retailer 13£2,844 GBP
Retailer 12£2,981 GBP
Retailer 6£3,185 GBP
Retailer 14£3,299 GBP
Retailer 8£3,300 GBP
Retailer 11£3,344 GBP
Retailer 4£4,035 GBP
Retailer 16£4,123 GBP
Retailer 9£4,303 GBP
Retailer 5£5,113 GBP
Retailer 10£5,316 GBP
Retailer 15£7,132 GBP
Retailer 3£7,942 GBP
Retailer 7£9,161 GBP
Brilliant Earth£15,539 GBP

38 data points across 16 retailers

19 retailers£2,650 GBP to £15,539 GBP

A
Cheapest Retailer
-
£2,650 GBP
A
Retailer 2
-
£2,844 GBP
$3,811 USD
View
A
Retailer 3
-
£2,981 GBP
$3,994 USD
View
A
Retailer 4
-
£3,185 GBP
$4,267 USD
View
Final sale: no returns
A
Retailer 5
-
£3,299 GBP
$4,420 USD
View
Retailer 6
-
£3,300 GBP
$4,421 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
£3,344 GBP
$4,480 USD
View
A
Retailer 8
-
£3,461 GBP
$4,638 USD
View
A
Retailer 9
-
£4,035 GBP
$5,406 USD
View
A
Retailer 10
-
£4,123 GBP
$5,524 USD
View
A
Retailer 11
-
£4,303 GBP
View
Retailer 12
-
£5,113 GBP
$6,851 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
£5,316 GBP
€6,784 EUR
View
Retailer 14
-
£5,448 GBP
$7,299 USD
View
Price last confirmed 39 days ago
B
Retailer 15
-
£7,132 GBP
$9,556 USD
View
B
Retailer 16
-
£7,942 GBP
$10,641 USD
View
B
Retailer 17
-
£9,161 GBP
$12,274 USD
View
B
Retailer 18
-
£11,672 GBP
$15,639 USD
View
Most Expensive
B
Brilliant Earth
20602315A · Oct 31
£15,539 GBP
$20,820 USD
View
18 more retailers have this diamond
Prices start from £2,650 GBPSave up to £12,889 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.

A
12.69ct Round
£2,650 GBP