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Oval|Lab Grown|GIA

1.51ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • GIA 5523242511

Certificate GIA 5523242511

Diamond specifications and retailer prices

From $669 CAD
$478 USD
As of October 28, 2026
Save $3,154 CAD (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,823 CAD at MOH London · As of October 29, 2026
View at MOH London

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 stated by the retailer rather than the lab and certified by GIA 5523242511. Listed at 7 retailers as of October 28, 2026, with prices from $669 to $3,823, a $3,154 spread on the same certified stone. MOH London lists it at $3,823. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 5523242511
Dimensions9.13 × 6.44 × 4.08 mm
L/W Ratio1.42
Top View
9.13 mm6.44 mm1.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5523242511
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.3%

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 28
Current: $3,823 CAD|Low: $394 CAD|High: $3,845 CAD|Avg: $1,498 CAD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 7$394 CAD
Retailer 4$669 CAD
Retailer 6$869 CAD
Retailer 2$1,026 CAD
Retailer 5$2,376 CAD
Retailer 3$2,431 CAD
MOH London$3,823 CAD

36 data points across 7 retailers

7 retailers$669 CAD to $3,823 CAD

A
Cheapest Retailer
-
$669 CAD
$478 USD
B+
Retailer 2
-
$869 CAD
$621 USD
View
B+
Retailer 3
-
$1,026 CAD
£577 GBP
View
B
Retailer 4
-
$1,761 CAD
View
B
Retailer 5
-
$2,376 CAD
$1,698 USD
View
B
Retailer 6
-
$2,431 CAD
$1,737 USD
View
Most Expensive
B
MOH London
5523242511 · Oct 29
$3,823 CAD
£2,151 GBP
View
6 more retailers have this diamond
Prices start from $669 CADSave up to $3,154 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
$669 CAD