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 $5,799 CAD
$4,151 USD
As of October 31, 2026
Save $17,757 CAD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $38,736 CAD at Do Amore Diamonds · As of October 31, 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 30, 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
Color
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: Oct 31
Current: $38,736 CAD|Low: $5,799 CAD|High: $38,736 CAD|Avg: $11,490 CAD
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
October 31, 2026
Retailer 4$5,799 CAD
Retailer 6$6,007 CAD
Retailer 13$6,007 CAD
Retailer 3$6,405 CAD
Retailer 10$8,123 CAD
Retailer 11$8,566 CAD
Retailer 2$8,716 CAD
Retailer 9$8,961 CAD
Retailer 5$9,303 CAD
Retailer 7$10,262 CAD
Retailer 8$12,507 CAD
Retailer 12$15,197 CAD
Do Amore Diamonds$38,736 CAD

42 data points across 13 retailers

20 retailers$5,799 CAD to $23,556 CAD

Retailer 1
-
$4,972 CAD
$3,559 USD
Price last confirmed 29 days ago
Retailer 2
-
$5,634 CAD
$4,033 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
$5,799 CAD
$4,151 USD
View
Final sale: no returns
B+
Retailer 4
-
$6,007 CAD
$4,300 USD
View
Retailer 5
-
$6,007 CAD
$4,300 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$6,405 CAD
$4,585 USD
View
B+
Retailer 7
-
$8,123 CAD
$5,815 USD
View
Retailer 8
-
$8,285 CAD
$5,931 USD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
$8,566 CAD
$6,132 USD
View
B+
Retailer 10
-
$8,716 CAD
£4,913 GBP
View
Retailer 11
-
$8,961 CAD
$6,415 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$9,303 CAD
£5,244 GBP
View
B+
Retailer 13
-
$10,262 CAD
ZAR 118,682 ZAR
View
B
Retailer 14
-
$10,509 CAD
$7,523 USD
View
Retailer 15
-
$12,507 CAD
A$13,774 AUD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$15,197 CAD
$10,879 USD
View
B
Retailer 17
-
$16,535 CAD
$11,837 USD
View
B
Retailer 18
-
$23,556 CAD
$16,863 USD
View
Retailer 19
-
$35,621 CAD
$25,500 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-722555615 · Oct 31
$38,736 CAD
$27,730 USD
View
Price under review
19 more retailers have this diamond
Prices start from $5,799 CADSave up to $17,757 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.

A
12.57ct Radiant
$5,799 CAD