Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

ID • D/SI1 • GIA 6545526638

Certificate GIA 6545526638

Diamond specifications and retailer prices

From $10,603 CAD
HK$59,300 HKD
As of October 30, 2026
Save $12,513 CAD (54%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $23,116 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural 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 6545526638. Listed at 28 retailers as of October 30, 2026, with prices from $10,603 to $23,116, a $12,513 spread on the same certified stone. NZ Jewellers lists it at $23,116. 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

1.50
Carat
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.56°
Pavilion angle36.73°
OriginNatural
Grading LabGIA
CertificateGIA 6545526638
Dimensions8.60 × 6.26 × 4.07 mm
L/W Ratio1.37
Top View
8.60 mm6.26 mm1.50 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545526638
Side View
Table 64.0%Crown 41.56°Girdle: STK-VTKPavilion 36.73°Culet: NoneDepth 65.0%

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 30
Current: $10,860 CAD|Low: $10,832 CAD|High: $19,469 CAD|Avg: $13,906 CAD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 1$10,860 CAD
Retailer 11$11,301 CAD
Retailer 2$12,286 CAD
Retailer 3$12,756 CAD
Retailer 8$12,774 CAD
Retailer 6$12,911 CAD
Retailer 5$12,971 CAD
Retailer 4$15,103 CAD
Retailer 10$15,805 CAD
Retailer 9$16,680 CAD
Retailer 7$19,366 CAD

24 data points across 11 retailers

28 retailers$10,603 CAD to $23,116 CAD

A
Cheapest Retailer
-
$10,603 CAD
HK$59,300 HKD
A
Retailer 2
-
$10,860 CAD
₹740,384 INR
View
B+
Retailer 3
-
$11,301 CAD
$8,090 USD
View
Retailer 4
-
$11,728 CAD
SGD 11,346 SGD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$11,945 CAD
$8,551 USD
View
B+
Retailer 6
-
$12,286 CAD
SGD 11,885 SGD
View
B+
Retailer 7
-
$12,321 CAD
$8,820 USD
View
B+
Retailer 8
-
$12,649 CAD
$9,055 USD
View
B+
Retailer 9
-
$12,756 CAD
$9,132 USD
View
Final sale: no returns
B+
Retailer 10
-
$12,758 CAD
$9,133 USD
View
Retailer 11
-
$12,774 CAD
A$14,068 AUD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$12,911 CAD
£7,278 GBP
View
B+
Retailer 13
-
$12,971 CAD
£7,311 GBP
View
B+
Retailer 14
-
$13,815 CAD
$9,890 USD
View
B+
Retailer 15
-
$13,821 CAD
$9,894 USD
View
B
Retailer 16
-
$14,035 CAD
$10,047 USD
View
B+
Retailer 17
-
$14,134 CAD
$10,118 USD
View
B+
Retailer 18
-
$14,148 CAD
$10,128 USD
View
B+
Retailer 19
-
$14,180 CAD
$10,151 USD
View
B+
Retailer 20
-
$14,532 CAD
$10,403 USD
View
B+
Retailer 21
-
$15,103 CAD
€10,297 EUR
View
B
Retailer 22
-
$15,947 CAD
$11,416 USD
View
Retailer 23
-
$16,525 CAD
$11,830 USD
View
Price last confirmed 60 days ago
Retailer 24
-
$16,680 CAD
ZAR 192,901 ZAR
View
Price last confirmed 9 days ago
B
Retailer 25
-
$19,366 CAD
£10,916 GBP
View
Retailer 26
-
$19,962 CAD
$14,290 USD
View
Price last confirmed 62 days ago
B
Retailer 27
-
$20,340 CAD
$14,561 USD
View
Most Expensive
B
NZ Jewellers
fc839084-9101-4a39-9073-29773117fff1 · Oct 30
$23,116 CAD
$16,548 USD
View
27 more retailers have this diamond
Prices start from $10,603 CADSave up to $12,513 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
1.50ct Oval
$10,603 CAD