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Round|Lab Grown|IGI

11.51ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG687554758

Shape and cutting style on the report: Round brilliant

Certificate IGI LG687554758

Diamond specifications and retailer prices

From €4,194 EUR
$4,686 USD
As of October 30, 2026
Save €3,573 EUR (46%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €8,168 EUR at Taylor and Hart · As of October 18, 2026
View at Taylor and Hart

About this 11.51ct lab-grown round diamond

This 11.51ct 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 LG687554758 or 687554758. Listed at 7 retailers as of October 26, 2026, with a 85% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

11.51
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687554758
Dimensions14.55 × 14.46 × 8.81 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.55 mm14.46 mm11.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687554758
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.7%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: €5,403 EUR|Low: €2,338 EUR|High: €11,143 EUR|Avg: €5,342 EUR|+71.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 31, 2026
Retailer 6€2,338 EUR
Retailer 4€4,194 EUR
Retailer 1€5,403 EUR
Retailer 2€5,943 EUR
Retailer 3€7,298 EUR
Retailer 5€7,768 EUR
Taylor and Hart€8,168 EUR

39 data points across 7 retailers

7 retailers€4,194 EUR to €7,768 EUR

Retailer 1
-
€2,338 EUR
$2,612 USD
Price last confirmed 20 days ago
B+
Retailer 2
-
€4,194 EUR
$4,686 USD
View
B+
Retailer 3
-
€5,403 EUR
£4,753 GBP
View
B
Retailer 4
-
€5,943 EUR
$6,640 USD
View
B+
Retailer 5
-
€7,298 EUR
$8,153 USD
View
B
Retailer 6
-
€7,768 EUR
$8,678 USD
View
Most Expensive
Taylor and Hart
UGN6U6Z · Oct 18
€8,168 EUR
$9,125 USD
View
Price last confirmed 12 days ago
6 more retailers have this diamond
Prices start from €4,194 EURSave up to €3,573 EUR

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+
11.51ct Round
€4,194 EUR