CaratHunter
Plans
Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6392613089

Certificate GIA 6392613089

Diamond specifications and retailer prices

From $14,780 CAD
$10,560 USD
As of October 25, 2026
Save $14,248 CAD (49%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $29,028 CAD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 6392613089. Listed at 18 retailers as of October 25, 2026, with prices from $14,780 to $29,028, a $14,248 spread on the same certified stone. Diamond Quarter lists it at $29,028. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6392613089
Dimensions7.34 × 7.29 × 4.55 mm
L/W Ratio1.01
Top View
7.34 mm7.29 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6392613089
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.2%

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 25
Current: $17,969 CAD|Low: $13,937 CAD|High: $26,437 CAD|Avg: $18,981 CAD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 4$14,780 CAD
Retailer 5$16,725 CAD
Retailer 1$17,969 CAD
Retailer 6$18,119 CAD
Retailer 2$20,243 CAD
Retailer 3$26,261 CAD

42 data points across 6 retailers

18 retailers$14,780 CAD to $29,028 CAD

B+
Cheapest Retailer
-
$14,780 CAD
$10,560 USD
B+
Retailer 2
-
$15,260 CAD
$10,903 USD
View
B+
Retailer 3
-
$15,517 CAD
$11,087 USD
View
B+
Retailer 4
-
$15,750 CAD
View
B+
Retailer 5
-
$16,725 CAD
$11,950 USD
View
B+
Retailer 6
-
$16,725 CAD
$11,950 USD
View
Final sale: no returns
B+
Retailer 7
-
$17,969 CAD
£10,109 GBP
View
B
Retailer 8
-
$18,119 CAD
$12,946 USD
View
B
Retailer 9
-
$18,398 CAD
$13,145 USD
View
B
Retailer 10
-
$19,342 CAD
$13,820 USD
View
B
Retailer 11
-
$19,342 CAD
$13,820 USD
View
B
Retailer 12
-
$19,363 CAD
$13,835 USD
View
B
Retailer 13
-
$19,986 CAD
$14,280 USD
View
B
Retailer 14
-
$20,243 CAD
€13,775 EUR
View
B
Retailer 15
-
$20,907 CAD
$14,938 USD
View
B
Retailer 16
-
$26,261 CAD
£14,774 GBP
View
B
Retailer 17
-
$27,876 CAD
$19,917 USD
View
Most Expensive
B
Diamond Quarter
1.51SI2D638976D1N · Oct 29
$29,028 CAD
£16,331 GBP
View
17 more retailers have this diamond
Prices start from $14,780 CADSave up to $14,248 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 Round
$14,780 CAD