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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG658484148

Shape and cutting style on the report: Round brilliant

Certificate IGI LG658484148

Diamond specifications and retailer prices

From $606 CAD
$434 USD
As of October 31, 2026
Save $4,730 CAD (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $5,336 CAD at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG658484148 or 658484148. Listed at 27 retailers as of October 31, 2026, with prices from $606 to $5,336, a $4,730 spread on the same certified stone. Brilliant Earth lists it at $5,336. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658484148
Dimensions7.32 × 7.35 × 4.53 mm
L/W Ratio1.00
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
7.32 mm7.35 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658484148
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.6%

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: $5,336 CAD|Low: $606 CAD|High: $6,146 CAD|Avg: $1,766 CAD|-13.2%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 13$606 CAD
Retailer 6$733 CAD
Retailer 17$863 CAD
Retailer 9$905 CAD
Retailer 14$908 CAD
Retailer 8$1,013 CAD
Retailer 19$1,061 CAD
Retailer 2$1,062 CAD
Retailer 20$1,155 CAD
Retailer 15$1,205 CAD
Retailer 5$1,376 CAD
Retailer 18$1,560 CAD
Retailer 3$1,587 CAD
Retailer 11$2,145 CAD
Retailer 7$2,213 CAD
Retailer 16$2,407 CAD
Retailer 10$2,506 CAD
Retailer 12$2,516 CAD
Retailer 4$2,642 CAD
Brilliant Earth$5,336 CAD

29 data points across 20 retailers

27 retailers$606 CAD to $5,336 CAD

Retailer 1
-
$542 CAD
$388 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$606 CAD
$434 USD
View
Final sale: no returns
Retailer 3
-
$608 CAD
$435 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$672 CAD
$481 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$672 CAD
$481 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$733 CAD
HK$4,100 HKD
View
A
Retailer 7
-
$863 CAD
£487 GBP
View
A
Retailer 8
-
$905 CAD
$648 USD
View
A
Retailer 9
-
$908 CAD
$650 USD
View
A
Retailer 10
-
$1,013 CAD
$725 USD
View
A
Retailer 11
-
$1,061 CAD
A$1,168 AUD
View
A
Retailer 12
-
$1,062 CAD
€724 EUR
View
A
Retailer 13
-
$1,155 CAD
ZAR 13,362 ZAR
View
A
Retailer 14
-
$1,205 CAD
£679 GBP
View
B+
Retailer 15
-
$1,376 CAD
$985 USD
View
B+
Retailer 16
-
$1,560 CAD
A$1,718 AUD
View
B+
Retailer 17
-
$1,587 CAD
$1,136 USD
View
B+
Retailer 18
-
$1,611 CAD
$1,153 USD
View
B+
Retailer 19
-
$2,145 CAD
SGD 2,075 SGD
View
Retailer 20
-
$2,161 CAD
$1,547 USD
View
Price last confirmed 13 days ago
B+
Retailer 21
-
$2,213 CAD
$1,585 USD
View
B
Retailer 22
-
$2,352 CAD
$1,684 USD
View
B+
Retailer 23
-
$2,407 CAD
A$2,651 AUD
View
B
Retailer 24
-
$2,506 CAD
$1,794 USD
View
B
Retailer 25
-
$2,516 CAD
$1,801 USD
View
B
Retailer 26
-
$2,642 CAD
£1,489 GBP
View
Most Expensive
B
Brilliant Earth
14067819A · Oct 31
$5,336 CAD
$3,820 USD
View
26 more retailers have this diamond
Prices start from $606 CADSave up to $4,730 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
$606 CAD