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Round|Lab Grown|IGI

12.45ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG690526732

Shape and cutting style on the report: Round brilliant

Certificate IGI LG690526732

Diamond specifications and retailer prices

From €3,590 EUR
$4,011 USD
As of October 29, 2026
Save €22,940 EUR (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €26,530 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.45ct lab-grown round diamond

This 12.45ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG690526732 or 690526732. Listed at 23 retailers as of October 29, 2026, with prices from €3,590 to €26,530, a €22,940 spread on the same certified stone. Brilliant Earth lists it at €26,530. 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

12.45
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG690526732
Dimensions14.87 × 14.91 × 9.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.87 mm14.91 mm12.45 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG690526732
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €26,530 EUR|Low: €3,590 EUR|High: €26,530 EUR|Avg: €8,463 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 7€3,590 EUR
Retailer 21€3,762 EUR
Retailer 3€4,020 EUR
Retailer 6€4,165 EUR
Retailer 17€4,167 EUR
Retailer 4€4,255 EUR
Retailer 10€4,915 EUR
Retailer 5€5,004 EUR
Retailer 9€5,204 EUR
Retailer 13€5,446 EUR
Retailer 18€5,867 EUR
Retailer 16€6,446 EUR
Retailer 15€6,620 EUR
Retailer 19€7,848 EUR
Retailer 8€8,812 EUR
Retailer 20€9,389 EUR
Retailer 2€10,707 EUR
Retailer 11€11,566 EUR
Retailer 12€14,234 EUR
Retailer 14€14,779 EUR
Brilliant Earth€26,530 EUR

39 data points across 21 retailers

23 retailers€3,590 EUR to €26,530 EUR

A
Cheapest Retailer
-
€3,590 EUR
$4,011 USD
A
Retailer 2
-
€3,762 EUR
$4,203 USD
View
A
Retailer 3
-
€4,020 EUR
$4,491 USD
View
Final sale: no returns
A
Retailer 4
-
€4,165 EUR
$4,653 USD
View
A
Retailer 5
-
€4,167 EUR
$4,655 USD
View
A
Retailer 6
-
€4,255 EUR
$4,754 USD
View
Retailer 7
-
€4,749 EUR
$5,306 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
€4,915 EUR
HK$42,900 HKD
View
A
Retailer 9
-
€5,004 EUR
$5,590 USD
View
A
Retailer 10
-
€5,204 EUR
$5,814 USD
View
A
Retailer 11
-
€5,446 EUR
£4,791 GBP
View
A
Retailer 12
-
€5,867 EUR
$6,555 USD
View
B+
Retailer 13
-
€6,446 EUR
ZAR 116,336 ZAR
View
B+
Retailer 14
-
€6,620 EUR
View
B+
Retailer 15
-
€7,829 EUR
$8,747 USD
View
Retailer 16
-
€7,848 EUR
A$13,489 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
€8,812 EUR
$9,845 USD
View
B+
Retailer 18
-
€9,389 EUR
$10,489 USD
View
Retailer 19
-
€10,707 EUR
A$18,403 AUD
View
B
Retailer 20
-
€11,566 EUR
$12,922 USD
View
B
Retailer 21
-
€14,234 EUR
SGD 21,489 SGD
View
B
Retailer 22
-
€14,779 EUR
$16,511 USD
View
Most Expensive
B
Brilliant Earth
20264486A · Oct 31
€26,530 EUR
$29,640 USD
View
22 more retailers have this diamond
Prices start from €3,590 EURSave up to €22,940 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
12.45ct Round
€3,590 EUR