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Round|Lab Grown|IGI

1.29ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG720540510

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720540510

Diamond specifications and retailer prices

From $306 CAD
$219 USD
As of October 29, 2026
Save $2,887 CAD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,193 CAD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG720540510 or 720540510. Listed at 23 retailers as of October 27, 2026, with prices from $306 to $3,193, a $2,887 spread on the same certified stone. Queensmith lists it at $3,193. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720540510
Dimensions6.90 × 6.94 × 4.32 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
6.90 mm6.94 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720540510
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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 29
Current: $703 CAD|Low: $342 CAD|High: $3,492 CAD|Avg: $970 CAD|-13.5%
Retailer 1
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Retailer 19
October 30, 2026
Retailer 4$342 CAD
Retailer 9$355 CAD
Retailer 18$429 CAD
Retailer 5$510 CAD
Retailer 13$651 CAD
Retailer 11$677 CAD
Retailer 12$691 CAD
Retailer 1$703 CAD
Retailer 3$721 CAD
Retailer 14$926 CAD
Retailer 17$986 CAD
Retailer 2$1,007 CAD
Retailer 10$1,226 CAD
Retailer 19$1,292 CAD
Retailer 7$1,303 CAD
Retailer 15$1,520 CAD
Retailer 16$1,690 CAD
Retailer 6$1,751 CAD
Retailer 8$2,347 CAD

40 data points across 19 retailers

23 retailers$306 CAD to $3,193 CAD

A
Cheapest Retailer
-
$306 CAD
$219 USD
A
Retailer 2
-
$342 CAD
$245 USD
View
Final sale: no returns
A
Retailer 3
-
$355 CAD
$254 USD
View
A
Retailer 4
-
$379 CAD
$271 USD
View
A
Retailer 5
-
$379 CAD
$271 USD
View
A
Retailer 6
-
$429 CAD
HK$2,400 HKD
View
B+
Retailer 7
-
$510 CAD
$365 USD
View
A
Retailer 8
-
$651 CAD
ZAR 7,532 ZAR
View
A
Retailer 9
-
$691 CAD
€471 EUR
View
A
Retailer 10
-
$703 CAD
£396 GBP
View
A
Retailer 11
-
$721 CAD
$516 USD
View
A
Retailer 12
-
$926 CAD
A$1,020 AUD
View
A
Retailer 13
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$986 CAD
$706 USD
View
A
Retailer 14
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$1,007 CAD
$721 USD
View
A
Retailer 15
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$1,218 CAD
$872 USD
View
B+
Retailer 16
-
$1,226 CAD
SGD 1,186 SGD
View
B+
Retailer 17
-
$1,292 CAD
$925 USD
View
B+
Retailer 18
-
$1,303 CAD
$933 USD
View
B+
Retailer 19
-
$1,520 CAD
£857 GBP
View
Retailer 20
-
$1,690 CAD
$1,210 USD
View
Price last confirmed 12 days ago
B+
Retailer 21
-
$1,751 CAD
$1,254 USD
View
B+
Retailer 22
-
$2,347 CAD
$1,680 USD
View
Most Expensive
B
Queensmith
LG720540510 · Oct 27
$3,193 CAD
£1,800 GBP
View
22 more retailers have this diamond
Prices start from $306 CADSave up to $2,887 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
1.29ct Round
$306 CAD