Radiant|Lab Grown|IGI

12.57ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG702553544

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

Certificate IGI LG702553544

Diamond specifications and retailer prices

From €6,990 EUR
$7,809 USD
As of October 31, 2026
Save €12,936 EUR (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €26,363 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.57ct lab-grown radiant diamond

This 12.57ct lab-grown radiant 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 LG702553544 or 702553544. Listed at 19 retailers as of October 30, 2026, with a 185% 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
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.1°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702553544
Dimensions10.90 × 10.90 × 7.34 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm10.90 mm12.57 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702553544
Side View
Table 62.0%Crown 48.1°Girdle: MED-STKPavilion 31.1°Culet: NoneDepth 67.3%

Caratlytics Score

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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 31
Current: €9,851 EUR|Low: €4,992 EUR|High: €43,394 EUR|Avg: €12,802 EUR|-0.0%
Retailer 1
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
October 31, 2026
Retailer 5€6,529 EUR
Retailer 4€6,990 EUR
Retailer 11€7,116 EUR
Retailer 13€7,205 EUR
Retailer 3€7,239 EUR
Retailer 2€7,922 EUR
Retailer 12€8,322 EUR
Retailer 1€9,851 EUR
Retailer 7€11,459 EUR
Retailer 8€12,371 EUR
Retailer 15€12,448 EUR
Retailer 14€13,244 EUR
Retailer 10€15,236 EUR
Retailer 6€19,926 EUR
Retailer 9€38,945 EUR

43 data points across 15 retailers

19 retailers€6,990 EUR to €19,926 EUR

Retailer 1
-
€5,992 EUR
$6,694 USD
Price last confirmed 29 days ago
Retailer 2
-
€6,491 EUR
$7,252 USD
View
Price last confirmed 34 days ago
B+
Retailer 3
-
€6,990 EUR
$7,809 USD
View
Final sale: no returns
Retailer 4
-
€7,116 EUR
$7,950 USD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
€7,205 EUR
$8,050 USD
View
Retailer 6
-
€7,239 EUR
$8,088 USD
View
Price last confirmed 28 days ago
B+
Retailer 7
-
€7,922 EUR
$8,850 USD
View
B+
Retailer 8
-
€8,322 EUR
$9,297 USD
View
B
Retailer 9
-
€8,447 EUR
$9,437 USD
View
Retailer 10
-
€8,988 EUR
$10,041 USD
View
Price last confirmed 31 days ago
B+
Retailer 11
-
€9,851 EUR
£8,666 GBP
View
B
Retailer 12
-
€11,459 EUR
£10,080 GBP
View
B
Retailer 13
-
€12,371 EUR
ZAR 223,274 ZAR
View
Retailer 14
-
€12,448 EUR
A$21,395 AUD
View
Price last confirmed 23 days ago
B
Retailer 15
-
€13,244 EUR
$14,796 USD
View
Retailer 16
-
€15,236 EUR
A$26,188 AUD
View
Price last confirmed 9 days ago
B
Retailer 17
-
€19,926 EUR
$22,261 USD
View
Most Expensive
Taylor and Hart
XRLM00C · Oct 31
€26,363 EUR
$29,453 USD
View
Price under review
17 more retailers have this diamond
Prices start from €6,990 EURSave up to €12,936 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+
12.57ct Radiant
€6,990 EUR