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Oval|Lab Grown|IGI

15.71ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG635468337

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG635468337

Diamond specifications and retailer prices

From $5,131 CAD
£2,892 GBP
As of October 27, 2026
Save $29,093 CAD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $34,224 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 15.71ct lab-grown oval diamond

This 15.71ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG635468337 or 635468337. Listed at 10 retailers as of October 27, 2026, with prices from $5,131 to $34,224, a $29,093 spread on the same certified stone. Do Amore Diamonds lists it at $34,224. 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

15.71
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635468337
Dimensions20.93 × 13.91 × 8.69 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
20.93 mm13.91 mm15.71 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635468337
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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 27
Current: $34,224 CAD|Low: $5,131 CAD|High: $100,002 CAD|Avg: $23,546 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
Retailer 15
October 30, 2026
Retailer 9$5,131 CAD
Retailer 8$7,960 CAD
Retailer 10$8,305 CAD
Retailer 11$9,234 CAD
Retailer 4$9,830 CAD
Retailer 6$10,210 CAD
Retailer 3$10,610 CAD
Retailer 15$13,190 CAD
Retailer 14$15,832 CAD
Retailer 12$18,528 CAD
Retailer 2$28,137 CAD
Retailer 13$31,250 CAD
Do Amore Diamonds$34,224 CAD
Retailer 5$34,364 CAD
Retailer 7$100,002 CAD

8 data points across 15 retailers

10 retailers$5,131 CAD to $34,224 CAD

A
Cheapest Retailer
-
$5,131 CAD
£2,892 GBP
B+
Retailer 2
-
$7,960 CAD
$5,698 USD
View
B+
Retailer 3
-
$8,305 CAD
£4,682 GBP
View
B+
Retailer 4
-
$9,234 CAD
$6,610 USD
View
B
Retailer 5
-
$15,832 CAD
$11,334 USD
View
B
Retailer 6
-
$18,528 CAD
$13,264 USD
View
B
Retailer 7
-
$28,137 CAD
$20,142 USD
View
B
Retailer 8
-
$31,250 CAD
$22,371 USD
View
B
Retailer 9
-
$32,324 CAD
$23,140 USD
View
Most Expensive
B
Do Amore Diamonds
27-F9C3B9F41 · Oct 29
$34,224 CAD
$24,500 USD
View
9 more retailers have this diamond
Prices start from $5,131 CADSave up to $29,093 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
15.71ct Oval
$5,131 CAD