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Round|Lab Grown|IGI

1.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG786640066

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786640066

Diamond specifications and retailer prices

From $600 CAD
$429 USD
As of October 29, 2026
Save $3,864 CAD (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,465 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786640066 or 786640066. Listed at 26 retailers as of October 29, 2026, with prices from $600 to $4,465, a $3,864 spread on the same certified stone. Brilliant Earth lists it at $4,465. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786640066
Dimensions7.42 × 7.46 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.42 mm7.46 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786640066
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: $4,465 CAD|Low: $600 CAD|High: $4,479 CAD|Avg: $1,587 CAD|-0.3%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 7
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Retailer 12
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
October 30, 2026
Retailer 3$600 CAD
Retailer 21$673 CAD
Retailer 18$696 CAD
Retailer 7$745 CAD
Retailer 8$745 CAD
Retailer 20$824 CAD
Retailer 17$945 CAD
Retailer 9$1,001 CAD
Retailer 13$1,168 CAD
Retailer 6$1,185 CAD
Retailer 2$1,225 CAD
Retailer 16$1,280 CAD
Retailer 15$1,308 CAD
Retailer 5$1,398 CAD
Retailer 22$1,797 CAD
Retailer 11$2,369 CAD
Retailer 4$2,395 CAD
Retailer 14$2,440 CAD
Retailer 10$2,694 CAD
Retailer 19$2,739 CAD
Retailer 12$2,788 CAD
Brilliant Earth$4,465 CAD

35 data points across 22 retailers

26 retailers$600 CAD to $4,465 CAD

A+
Cheapest Retailer
-
$600 CAD
$429 USD
A
Retailer 2
-
$673 CAD
$481 USD
View
A
Retailer 3
-
$696 CAD
$497 USD
View
Final sale: no returns
A
Retailer 4
-
$745 CAD
$532 USD
View
A
Retailer 5
-
$745 CAD
$532 USD
View
A
Retailer 6
-
$824 CAD
HK$4,600 HKD
View
A
Retailer 7
-
$945 CAD
$675 USD
View
A
Retailer 8
-
$1,001 CAD
$715 USD
View
A
Retailer 9
-
$1,168 CAD
€795 EUR
View
A
Retailer 10
-
$1,185 CAD
$847 USD
View
A
Retailer 11
-
$1,225 CAD
£689 GBP
View
A
Retailer 12
-
$1,280 CAD
ZAR 14,774 ZAR
View
A
Retailer 13
-
$1,308 CAD
A$1,438 AUD
View
A
Retailer 14
-
$1,398 CAD
$999 USD
View
B+
Retailer 15
-
$1,797 CAD
$1,284 USD
View
Retailer 16
-
$1,864 CAD
$1,332 USD
View
Price last confirmed 14 days ago
B+
Retailer 17
-
$2,369 CAD
SGD 2,287 SGD
View
B+
Retailer 18
-
$2,395 CAD
$1,711 USD
View
B+
Retailer 19
-
$2,440 CAD
$1,743 USD
View
B+
Retailer 20
-
$2,483 CAD
$1,774 USD
View
B+
Retailer 21
-
$2,602 CAD
$1,859 USD
View
B+
Retailer 22
-
$2,694 CAD
$1,925 USD
View
B+
Retailer 23
-
$2,739 CAD
£1,541 GBP
View
B+
Retailer 24
-
$2,788 CAD
$1,992 USD
View
Retailer 25
-
$4,465 CAD
$3,190 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
19883856A · Oct 29
$4,465 CAD
$3,190 USD
View
25 more retailers have this diamond
Prices start from $600 CADSave up to $3,864 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+
1.51ct Round
$600 CAD