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Radiant|Lab Grown|IGI

12.57ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG722555615

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG722555615

Diamond specifications and retailer prices

From €3,701 EUR
$4,151 USD
As of November 1, 2026
Save €11,334 EUR (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €24,724 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 12.57ct lab-grown radiant diamond

This 12.57ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG722555615 or 722555615. Listed at 20 retailers as of October 31, 2026, with a 306% 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

12.57
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.8°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722555615
Dimensions17.13 × 11.02 × 7.06 mm
L/W Ratio1.55
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.13 mm11.02 mm12.57 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722555615
Side View
Table 62.0%Crown 50.8°Girdle: Slightly ThickPavilion 36.1°Culet: NoneDepth 64.1%

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: €24,724 EUR|Low: €3,701 EUR|High: €24,724 EUR|Avg: €7,276 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 4€3,701 EUR
Retailer 7€3,834 EUR
Retailer 13€3,834 EUR
Retailer 3€4,088 EUR
Retailer 10€5,185 EUR
Retailer 11€5,467 EUR
Retailer 2€5,517 EUR
Retailer 9€5,719 EUR
Retailer 5€5,938 EUR
Retailer 8€6,550 EUR
Retailer 6€7,969 EUR
Retailer 12€9,699 EUR
Do Amore Diamonds€24,724 EUR

41 data points across 13 retailers

20 retailers€3,701 EUR to €15,035 EUR

Retailer 1
-
€3,173 EUR
$3,559 USD
Price last confirmed 31 days ago
Retailer 2
-
€3,596 EUR
$4,033 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
€3,701 EUR
$4,151 USD
View
Final sale: no returns
B+
Retailer 4
-
€3,834 EUR
$4,300 USD
View
Retailer 5
-
€3,834 EUR
$4,300 USD
View
Price last confirmed 30 days ago
B+
Retailer 6
-
€4,088 EUR
$4,585 USD
View
B+
Retailer 7
-
€5,185 EUR
$5,815 USD
View
Retailer 8
-
€5,288 EUR
$5,931 USD
View
Price last confirmed 33 days ago
B+
Retailer 9
-
€5,467 EUR
$6,132 USD
View
B+
Retailer 10
-
€5,517 EUR
£4,872 GBP
View
Retailer 11
-
€5,719 EUR
$6,415 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
€5,938 EUR
£5,244 GBP
View
B+
Retailer 13
-
€6,550 EUR
ZAR 118,682 ZAR
View
B
Retailer 14
-
€6,707 EUR
$7,523 USD
View
B
Retailer 15
-
€7,969 EUR
A$13,751 AUD
View
B
Retailer 16
-
€9,699 EUR
$10,879 USD
View
B
Retailer 17
-
€10,554 EUR
$11,837 USD
View
B
Retailer 18
-
€15,035 EUR
$16,863 USD
View
Retailer 19
-
€22,735 EUR
$25,500 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-722555615 · Nov 2
€24,724 EUR
$27,730 USD
View
Price under review
19 more retailers have this diamond
Prices start from €3,701 EURSave up to €11,334 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
12.57ct Radiant
€3,701 EUR