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 $10,908 CAD
$7,809 USD
As of October 31, 2026
Save $20,188 CAD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $41,143 CAD 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

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $19,187 CAD|Low: $7,791 CAD|High: $67,722 CAD|Avg: $19,958 CAD|+0.4%
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
November 1, 2026
Retailer 5$10,189 CAD
Retailer 4$10,908 CAD
Retailer 12$11,105 CAD
Retailer 14$11,245 CAD
Retailer 3$11,298 CAD
Retailer 2$12,363 CAD
Retailer 13$12,987 CAD
Retailer 8$15,247 CAD
Retailer 7$17,883 CAD
Retailer 1$19,187 CAD
Retailer 9$19,306 CAD
Retailer 15$20,669 CAD
Retailer 11$23,778 CAD
Retailer 6$31,096 CAD
Retailer 10$60,779 CAD

44 data points across 15 retailers

19 retailers$10,908 CAD to $31,096 CAD

Retailer 1
-
$9,351 CAD
$6,694 USD
Price last confirmed 29 days ago
Retailer 2
-
$10,130 CAD
$7,252 USD
View
Price last confirmed 34 days ago
B+
Retailer 3
-
$10,908 CAD
$7,809 USD
View
Final sale: no returns
Retailer 4
-
$11,105 CAD
$7,950 USD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
$11,245 CAD
$8,050 USD
View
Retailer 6
-
$11,298 CAD
$8,088 USD
View
Price last confirmed 28 days ago
B+
Retailer 7
-
$12,363 CAD
$8,850 USD
View
B+
Retailer 8
-
$12,987 CAD
$9,297 USD
View
B
Retailer 9
-
$13,183 CAD
$9,437 USD
View
Retailer 10
-
$14,026 CAD
$10,041 USD
View
Price last confirmed 31 days ago
B+
Retailer 11
-
$15,247 CAD
£8,594 GBP
View
B
Retailer 12
-
$17,883 CAD
£10,080 GBP
View
B
Retailer 13
-
$19,187 CAD
A$21,131 AUD
View
B
Retailer 14
-
$19,306 CAD
ZAR 223,274 ZAR
View
B
Retailer 15
-
$20,669 CAD
$14,796 USD
View
Retailer 16
-
$23,778 CAD
A$26,188 AUD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$31,096 CAD
$22,261 USD
View
Most Expensive
Taylor and Hart
XRLM00C · Oct 31
$41,143 CAD
$29,453 USD
View
Price under review
17 more retailers have this diamond
Prices start from $10,908 CADSave up to $20,188 CAD

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
$10,908 CAD