Radiant|Lab Grown|IGI

12.13ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG577377304

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

Certificate IGI LG577377304

Diamond specifications and retailer prices

From $5,894 CAD
$4,219 USD
As of October 31, 2026
Save $21,625 CAD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $27,519 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 12.13ct lab-grown radiant diamond

This 12.13ct 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 LG577377304 or 577377304. Listed at 15 retailers as of October 30, 2026, with prices from $5,894 to $27,519, a $21,625 spread on the same certified stone. Brilliant Earth lists it at $27,519. 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

12.13
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577377304
Dimensions16.42 × 11.05 × 7.52 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.42 mm11.05 mm12.13 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577377304
Side View
Table 65.5%Crown 43.5°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 68.1%

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: $27,519 CAD|Low: $2,290 CAD|High: $28,441 CAD|Avg: $7,581 CAD|-3.2%
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
October 23, 2026
Retailer 6$3,207 CAD
Retailer 14$3,323 CAD
Retailer 5$4,008 CAD
Retailer 9$4,652 CAD
Retailer 11$4,938 CAD
Retailer 10$5,097 CAD
Retailer 13$5,199 CAD
Retailer 7$5,894 CAD
Retailer 3$6,164 CAD
Retailer 4$6,301 CAD
Retailer 2$7,461 CAD
Retailer 12$8,954 CAD
Retailer 8$12,722 CAD
Brilliant Earth$27,519 CAD

25 data points across 14 retailers

15 retailers$5,894 CAD to $27,519 CAD

Retailer 1
-
$2,750 CAD
$1,969 USD
Price last confirmed 28 days ago
Retailer 2
-
$3,323 CAD
$2,379 USD
View
Price last confirmed 27 days ago
Retailer 3
-
$4,568 CAD
$3,270 USD
View
Price last confirmed 30 days ago
Retailer 4
-
$4,652 CAD
£2,623 GBP
View
Price last confirmed 15 days ago
Retailer 5
-
$5,097 CAD
ZAR 58,945 ZAR
View
Price last confirmed 16 days ago
Retailer 6
-
$5,331 CAD
$3,816 USD
View
Price last confirmed 15 days ago
B+
Retailer 7
-
$5,894 CAD
$4,219 USD
View
Retailer 8
-
$6,164 CAD
A$6,789 AUD
View
Price last confirmed 32 days ago
Retailer 9
-
$6,301 CAD
£3,552 GBP
View
Price last confirmed 16 days ago
Retailer 10
-
$7,461 CAD
€5,087 EUR
View
Price last confirmed 7 days ago
Retailer 11
-
$8,954 CAD
$6,410 USD
View
Price last confirmed 16 days ago
Retailer 12
-
$9,457 CAD
$6,770 USD
View
Price last confirmed 17 days ago
Retailer 13
-
$11,626 CAD
$8,323 USD
View
Price last confirmed 16 days ago
B
Retailer 14
-
$12,722 CAD
$9,107 USD
View
Most Expensive
B
Brilliant Earth
14113636A · Oct 30
$27,519 CAD
$19,700 USD
View
14 more retailers have this diamond
Prices start from $5,894 CADSave up to $21,625 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+
12.13ct Radiant
$5,894 CAD