Marquise|Lab Grown|IGI

0.51ct D FL Marquise Lab Grown Diamond

VG • D/FL • IGI LG845658670

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845658670

Diamond specifications and retailer prices

From $314 CAD
$225 USD
As of October 30, 2026
Save $1,361 CAD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,675 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG845658670 or 845658670. Listed at 12 retailers as of October 30, 2026, with prices from $314 to $1,675, a $1,361 spread on the same certified stone. Reve Diamonds lists it at $1,675. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845658670
Dimensions7.99 × 4.13 × 2.59 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.99 mm4.13 mm0.51 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845658670
Side View
Table 59.0%Crown 35.1°Girdle: Slightly ThickPavilion 39.4°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,127 CAD|Low: $314 CAD|High: $1,675 CAD|Avg: $824 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
October 31, 2026
Retailer 5$314 CAD
Retailer 8$393 CAD
Retailer 11$503 CAD
Retailer 9$605 CAD
Retailer 4$629 CAD
Retailer 10$632 CAD
Retailer 6$641 CAD
Retailer 3$948 CAD
Retailer 1$1,127 CAD
Retailer 2$1,198 CAD
Retailer 7$1,643 CAD
Reve Diamonds$1,675 CAD

5 data points across 12 retailers

12 retailers$314 CAD to $1,675 CAD

A
Cheapest Retailer
-
$314 CAD
$225 USD
Final sale: no returns
A
Retailer 2
-
$393 CAD
HK$2,200 HKD
View
A
Retailer 3
-
$503 CAD
$360 USD
View
B+
Retailer 4
-
$605 CAD
$433 USD
View
B+
Retailer 5
-
$629 CAD
$450 USD
View
B+
Retailer 6
-
$632 CAD
ZAR 7,307 ZAR
View
B+
Retailer 7
-
$641 CAD
£362 GBP
View
B
Retailer 8
-
$948 CAD
SGD 917 SGD
View
B
Retailer 9
-
$1,127 CAD
$807 USD
View
B
Retailer 10
-
$1,198 CAD
$858 USD
View
B
Retailer 11
-
$1,643 CAD
£926 GBP
View
Most Expensive
B
Reve Diamonds
2828CD641 · Oct 30
$1,675 CAD
$1,199 USD
View
11 more retailers have this diamond
Prices start from $314 CADSave up to $1,361 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
0.51ct Marquise
$314 CAD