Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG787602899

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787602899

Diamond specifications and retailer prices

From $306 CAD
$219 USD
As of October 29, 2026
Save $2,628 CAD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,933 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787602899 or 787602899. Listed at 17 retailers as of October 29, 2026, with prices from $306 to $2,933, a $2,628 spread on the same certified stone. Do Amore Diamonds lists it at $2,933. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787602899
Dimensions9.69 × 6.31 × 3.86 mm
L/W Ratio1.54
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.69 mm6.31 mm1.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787602899
Side View
Table 59.0%Crown 36.2°Girdle: THN-STKPavilion 40.2°Culet: NoneDepth 61.2%

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 29
Current: $2,933 CAD|Low: $211 CAD|High: $2,933 CAD|Avg: $1,036 CAD
Do Amore Diamonds
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 30, 2026
Retailer 4$211 CAD
Retailer 13$342 CAD
Retailer 14$379 CAD
Retailer 6$447 CAD
Retailer 12$541 CAD
Retailer 9$648 CAD
Retailer 2$793 CAD
Retailer 11$838 CAD
Retailer 8$1,222 CAD
Retailer 5$1,291 CAD
Retailer 3$1,584 CAD
Retailer 7$1,685 CAD
Retailer 10$1,751 CAD
Do Amore Diamonds$2,933 CAD

40 data points across 14 retailers

17 retailers$306 CAD to $2,933 CAD

Retailer 1
-
$306 CAD
$219 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$306 CAD
$219 USD
View
A
Retailer 3
-
$342 CAD
$245 USD
View
Final sale: no returns
A
Retailer 4
-
$355 CAD
$254 USD
View
Retailer 5
-
$374 CAD
$268 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$379 CAD
$271 USD
View
A
Retailer 7
-
$379 CAD
$271 USD
View
A
Retailer 8
-
$541 CAD
$387 USD
View
A
Retailer 9
-
$648 CAD
$464 USD
View
B+
Retailer 10
-
$793 CAD
£447 GBP
View
B+
Retailer 11
-
$838 CAD
$600 USD
View
B
Retailer 12
-
$1,222 CAD
$875 USD
View
B
Retailer 13
-
$1,345 CAD
$963 USD
View
B
Retailer 14
-
$1,584 CAD
$1,134 USD
View
B
Retailer 15
-
$1,685 CAD
£950 GBP
View
B
Retailer 16
-
$1,751 CAD
$1,253 USD
View
Most Expensive
B
Do Amore Diamonds
27-137BF777B · Oct 29
$2,933 CAD
$2,100 USD
View
16 more retailers have this diamond
Prices start from $306 CADSave up to $2,628 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 Oval
$306 CAD