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Round|Lab Grown|IGI

12.50ct E VVS2 Round Lab Grown Diamond

EX • E/VVS2 • IGI LG687505151

Shape and cutting style on the report: Round brilliant

Certificate IGI LG687505151

Diamond specifications and retailer prices

From €5,447 EUR
$6,085 USD
As of October 29, 2026
Save €25,112 EUR (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €30,558 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 12.5ct lab-grown round diamond

This 12.5ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG687505151 or 687505151. Listed at 18 retailers as of October 29, 2026, with prices from €5,447 to €30,558, a €25,112 spread on the same certified stone. Brilliant Earth lists it at €30,558. 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

12.50
Carat
E
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687505151
Dimensions14.76 × 14.62 × 9.18 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
14.76 mm14.62 mm12.50 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687505151
Side View
Table 57.0%Crown 36.5°Girdle: Slightly ThickPavilion 40.2°Culet: NoneDepth 62.4%

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: Oct 29
Current: €30,558 EUR|Low: €5,298 EUR|High: €31,507 EUR|Avg: €13,103 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7€5,447 EUR
Retailer 2€7,002 EUR
Retailer 4€7,327 EUR
Retailer 6€7,371 EUR
Retailer 3€8,726 EUR
Retailer 12€8,774 EUR
Retailer 8€9,091 EUR
Retailer 5€10,871 EUR
Retailer 11€15,364 EUR
Retailer 10€19,007 EUR
Retailer 9€29,648 EUR
Brilliant Earth€30,558 EUR

40 data points across 12 retailers

18 retailers€5,447 EUR to €30,558 EUR

Retailer 1
-
€4,542 EUR
$5,074 USD
Price last confirmed 30 days ago
Retailer 2
-
€4,958 EUR
$5,539 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
€5,447 EUR
$6,085 USD
View
Final sale: no returns
Retailer 4
-
€5,488 EUR
$6,131 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
€6,565 EUR
HK$57,300 HKD
View
B+
Retailer 6
-
€7,002 EUR
£6,160 GBP
View
Retailer 7
-
€7,327 EUR
$8,186 USD
View
Price last confirmed 52 days ago
B+
Retailer 8
-
€7,371 EUR
$8,235 USD
View
B+
Retailer 9
-
€8,774 EUR
$9,802 USD
View
B+
Retailer 10
-
€9,091 EUR
$10,157 USD
View
B+
Retailer 11
-
€10,038 EUR
$11,214 USD
View
B
Retailer 12
-
€10,871 EUR
View
B
Retailer 13
-
€15,262 EUR
$17,051 USD
View
B
Retailer 14
-
€15,364 EUR
$17,165 USD
View
B
Retailer 15
-
€19,007 EUR
SGD 28,696 SGD
View
B
Retailer 16
-
€19,558 EUR
$21,851 USD
View
B
Retailer 17
-
€30,253 EUR
$33,799 USD
View
Most Expensive
B
Brilliant Earth
13745714A · Oct 29
€30,558 EUR
$34,140 USD
View
17 more retailers have this diamond
Prices start from €5,447 EURSave up to €25,112 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.

A
12.50ct Round
€5,447 EUR