Oval|Natural|GIA

1.51ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 5526668826

Certificate GIA 5526668826

Diamond specifications and retailer prices

From $9,511 CAD
$6,809 USD
As of October 30, 2026
Save $10,805 CAD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $20,317 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5526668826. Listed at 20 retailers as of October 30, 2026, with prices from $9,511 to $20,317, a $10,805 spread on the same certified stone. NZ Jewellers lists it at $20,317. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5526668826
Dimensions9.41 × 6.18 × 3.99 mm
L/W Ratio1.52
Top View
9.41 mm6.18 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5526668826
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $20,317 CAD|Low: $9,312 CAD|High: $20,317 CAD|Avg: $12,483 CAD
NZ Jewellers
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
November 1, 2026
Retailer 16$9,511 CAD
Retailer 15$10,148 CAD
Retailer 8$10,158 CAD
Retailer 14$10,158 CAD
Retailer 3$10,336 CAD
Retailer 7$11,005 CAD
Retailer 4$11,174 CAD
Retailer 5$11,242 CAD
Retailer 9$11,320 CAD
Retailer 13$11,502 CAD
Retailer 12$12,278 CAD
Retailer 6$12,698 CAD
Retailer 11$13,274 CAD
Retailer 10$14,923 CAD
Retailer 2$16,930 CAD
NZ Jewellers$20,317 CAD

42 data points across 16 retailers

20 retailers$9,511 CAD to $20,317 CAD

B+
Cheapest Retailer
-
$9,511 CAD
$6,809 USD
B
Retailer 2
-
$10,148 CAD
$7,265 USD
View
B
Retailer 3
-
$10,158 CAD
$7,272 USD
View
B
Retailer 4
-
$10,158 CAD
$7,272 USD
View
Final sale: no returns
B
Retailer 5
-
$10,336 CAD
$7,399 USD
View
B
Retailer 6
-
$11,005 CAD
$7,878 USD
View
B
Retailer 7
-
$11,174 CAD
$7,999 USD
View
B
Retailer 8
-
$11,242 CAD
$8,048 USD
View
B+
Retailer 9
-
$11,320 CAD
£6,381 GBP
View
Retailer 10
-
$11,502 CAD
A$12,668 AUD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$12,111 CAD
$8,670 USD
View
B
Retailer 12
-
$12,111 CAD
$8,670 USD
View
B
Retailer 13
-
$12,187 CAD
$8,724 USD
View
B
Retailer 14
-
$12,278 CAD
$8,790 USD
View
B
Retailer 15
-
$12,516 CAD
$8,960 USD
View
B
Retailer 16
-
$12,698 CAD
$9,090 USD
View
B
Retailer 17
-
$13,274 CAD
€9,050 EUR
View
B
Retailer 18
-
$14,923 CAD
ZAR 172,588 ZAR
View
B
Retailer 19
-
$16,930 CAD
£9,543 GBP
View
Most Expensive
B
NZ Jewellers
46340976-d7d4-470f-9b56-6b02ff4253f8 · Oct 30
$20,317 CAD
$14,544 USD
View
19 more retailers have this diamond
Prices start from $9,511 CADSave up to $10,805 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.

B+
1.51ct Oval
$9,511 CAD