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Heart|Lab Grown|IGI

12.53ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG669458684

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG669458684

Diamond specifications and retailer prices

From €3,527 EUR
£3,102 GBP
As of October 30, 2026
Save €18,170 EUR (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €21,697 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 12.53ct lab-grown heart diamond

This 12.53ct lab-grown heart 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 LG669458684 or 669458684. Listed at 21 retailers as of October 30, 2026, with prices from €3,527 to €21,697, a €18,170 spread on the same certified stone. Brilliant Earth lists it at €21,697. 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

12.53
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669458684
Dimensions14.42 × 16.48 × 9.21 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.42 mm16.48 mm12.53 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669458684
Side View
Table 65.0%Crown 31.3°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 55.9%

Caratlytics Score

How it works →
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 30
Current: €21,697 EUR|Low: €3,527 EUR|High: €25,967 EUR|Avg: €7,824 EUR|-16.4%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 14€3,527 EUR
Retailer 8€3,774 EUR
Retailer 3€3,955 EUR
Retailer 20€4,226 EUR
Retailer 16€4,378 EUR
Retailer 17€4,510 EUR
Retailer 11€4,532 EUR
Retailer 5€4,534 EUR
Retailer 18€5,470 EUR
Retailer 2€5,618 EUR
Retailer 13€5,696 EUR
Retailer 12€6,601 EUR
Retailer 15€6,776 EUR
Retailer 9€8,574 EUR
Retailer 6€9,715 EUR
Retailer 19€10,160 EUR
Retailer 10€10,246 EUR
Retailer 4€12,161 EUR
Retailer 7€15,580 EUR
Brilliant Earth€21,697 EUR

36 data points across 20 retailers

21 retailers€3,527 EUR to €21,697 EUR

A
Cheapest Retailer
-
€3,527 EUR
£3,102 GBP
A
Retailer 2
-
€3,774 EUR
$4,216 USD
View
A
Retailer 3
-
€3,955 EUR
$4,418 USD
View
A
Retailer 4
-
€4,226 EUR
$4,721 USD
View
Final sale: no returns
A
Retailer 5
-
€4,378 EUR
$4,891 USD
View
B+
Retailer 6
-
€4,510 EUR
$5,039 USD
View
Retailer 7
-
€4,532 EUR
$5,063 USD
View
Price last confirmed 18 days ago
B+
Retailer 8
-
€4,534 EUR
$5,065 USD
View
B+
Retailer 9
-
€5,470 EUR
$6,111 USD
View
B+
Retailer 10
-
€5,618 EUR
£4,942 GBP
View
B+
Retailer 11
-
€5,696 EUR
$6,364 USD
View
B+
Retailer 12
-
€6,601 EUR
$7,375 USD
View
B+
Retailer 13
-
€6,776 EUR
ZAR 122,292 ZAR
View
Retailer 14
-
€8,574 EUR
A$14,736 AUD
View
Price last confirmed 9 days ago
B
Retailer 15
-
€9,715 EUR
$10,854 USD
View
B
Retailer 16
-
€10,160 EUR
$11,351 USD
View
Retailer 17
-
€10,246 EUR
A$17,611 AUD
View
Price last confirmed 22 days ago
B
Retailer 18
-
€11,498 EUR
$12,846 USD
View
B
Retailer 19
-
€12,161 EUR
$13,587 USD
View
B
Retailer 20
-
€15,580 EUR
$17,406 USD
View
Most Expensive
B
Brilliant Earth
13435437A · Oct 30
€21,697 EUR
$24,240 USD
View
20 more retailers have this diamond
Prices start from €3,527 EURSave up to €18,170 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
12.53ct Heart
€3,527 EUR