Heart|Natural|GIA

1.51ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 1547460191

Certificate GIA 1547460191

Diamond specifications and retailer prices

From $4,881 CAD
HK$27,300 HKD
As of October 30, 2026
Save $7,049 CAD (59%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,931 CAD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.51ct natural heart diamond

This 1.51ct natural heart 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 stated by the retailer rather than the lab and certified by GIA 1547460191. Listed at 16 retailers as of October 28, 2026, with prices from $4,881 to $11,931, a $7,049 spread on the same certified stone. Queensmith lists it at $11,931. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1547460191
Dimensions7.74 × 6.82 × 4.79 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
7.74 mm6.82 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1547460191
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.8%

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 30
Current: $11,931 CAD|Low: $4,881 CAD|High: $12,392 CAD|Avg: $7,495 CAD|-3.4%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 7$4,881 CAD
Retailer 2$5,315 CAD
Retailer 8$5,998 CAD
Retailer 11$6,256 CAD
Retailer 4$6,462 CAD
Retailer 6$6,531 CAD
Retailer 9$6,649 CAD
Retailer 10$6,709 CAD
Retailer 3$6,790 CAD
Retailer 5$10,407 CAD
Queensmith$11,931 CAD

42 data points across 11 retailers

16 retailers$4,881 CAD to $11,931 CAD

A
Cheapest Retailer
-
$4,881 CAD
HK$27,300 HKD
A
Retailer 2
-
$5,315 CAD
₹362,379 INR
View
A
Retailer 3
-
$5,998 CAD
$4,294 USD
View
Final sale: no returns
A
Retailer 4
-
$6,256 CAD
SGD 6,052 SGD
View
A
Retailer 5
-
$6,462 CAD
£3,643 GBP
View
Retailer 6
-
$6,498 CAD
$4,652 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$6,498 CAD
$4,652 USD
View
Price last confirmed 13 days ago
Retailer 8
-
$6,498 CAD
$4,652 USD
View
Price last confirmed 14 days ago
A
Retailer 9
-
$6,531 CAD
SGD 6,318 SGD
View
A
Retailer 10
-
$6,649 CAD
$4,760 USD
View
A
Retailer 11
-
$6,709 CAD
$4,803 USD
View
A
Retailer 12
-
$6,790 CAD
$4,861 USD
View
Retailer 13
-
$7,499 CAD
$5,368 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$10,407 CAD
£5,866 GBP
View
Retailer 15
-
$11,323 CAD
$8,106 USD
View
Price last confirmed 13 days ago
Most Expensive
B+
Queensmith
1547460191 · Oct 28
$11,931 CAD
£6,725 GBP
View
15 more retailers have this diamond
Prices start from $4,881 CADSave up to $7,049 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 Heart
$4,881 CAD