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Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1528655808

Certificate GIA 1528655808

Diamond specifications and retailer prices

From $7,632 CAD
HK$42,600 HKD
As of October 29, 2026
Save $3,691 CAD (33%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $17,134 CAD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1528655808. Listed at 15 retailers as of October 29, 2026, with a 48% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1528655808
Dimensions7.31 × 7.26 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.31 mm7.26 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1528655808
Side View
Table 59.0%Crown 34.5°Girdle: Sli. ThickPavilion 41.8°Culet: NoneDepth 62.9%

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: $11,323 CAD|Low: $7,632 CAD|High: $14,449 CAD|Avg: $9,949 CAD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 2$7,632 CAD
Retailer 11$8,774 CAD
Retailer 9$8,885 CAD
Retailer 10$8,935 CAD
Retailer 7$9,456 CAD
Retailer 3$9,502 CAD
Retailer 12$10,402 CAD
Retailer 4$10,472 CAD
Retailer 8$10,582 CAD
Retailer 5$10,860 CAD
Retailer 1$11,323 CAD
Retailer 6$14,353 CAD

39 data points across 12 retailers

15 retailers$7,632 CAD to $11,323 CAD

A
Cheapest Retailer
-
$7,632 CAD
HK$42,600 HKD
Retailer 2
-
$8,774 CAD
SGD 8,472 SGD
View
Price last confirmed 15 days ago
Retailer 3
-
$8,885 CAD
$6,348 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$8,935 CAD
$6,384 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$9,457 CAD
$6,757 USD
View
Price last confirmed 14 days ago
Retailer 6
-
$9,502 CAD
$6,789 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$10,245 CAD
$7,320 USD
View
Price last confirmed 10 days ago
Retailer 8
-
$10,402 CAD
$7,432 USD
View
Price last confirmed 14 days ago
Retailer 9
-
$10,472 CAD
$7,482 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$10,582 CAD
$7,561 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$10,860 CAD
£6,110 GBP
View
B+
Retailer 12
-
$11,323 CAD
€7,705 EUR
View
Retailer 13
-
$11,821 CAD
$8,446 USD
View
Price last confirmed 9 days ago
Retailer 14
-
$14,353 CAD
£8,075 GBP
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
c8cb68a7-a504-4204-b599-d2c867a570ef · Oct 20
$17,134 CAD
$12,242 USD
View
Price last confirmed 9 days ago
14 more retailers have this diamond
Prices start from $7,632 CADSave up to $3,691 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 Round
$7,632 CAD