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Heart|Natural|GIA

1.51ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 1547460191

Certificate GIA 1547460191

Diamond specifications and retailer prices

From $4,500 SGD
HK$27,500 HKD
As of November 1, 2026
Save $6,419 SGD (59%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,918 SGD 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 $4,500 to $10,918, a $6,419 spread on the same certified stone. Queensmith lists it at $10,918. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $10,918 SGD|Low: $4,467 SGD|High: $11,341 SGD|Avg: $6,928 SGD|-3.4%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5$4,500 SGD
Retailer 3$4,846 SGD
Retailer 7$5,489 SGD
Retailer 10$5,725 SGD
Retailer 2$5,914 SGD
Retailer 6$5,977 SGD
Retailer 8$6,085 SGD
Retailer 9$6,140 SGD
Retailer 4$9,474 SGD
Queensmith$10,918 SGD

41 data points across 10 retailers

16 retailers$4,500 SGD to $10,918 SGD

A
Cheapest Retailer
-
$4,500 SGD
HK$27,500 HKD
A
Retailer 2
-
$4,846 SGD
₹361,043 INR
View
A
Retailer 3
-
$5,489 SGD
$4,294 USD
View
Final sale: no returns
Retailer 4
-
$5,725 SGD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$5,914 SGD
£3,643 GBP
View
Retailer 6
-
$5,947 SGD
$4,652 USD
View
Price last confirmed 17 days ago
Retailer 7
-
$5,947 SGD
$4,652 USD
View
Price last confirmed 15 days ago
Retailer 8
-
$5,947 SGD
$4,652 USD
View
Price last confirmed 16 days ago
A
Retailer 9
-
$5,977 SGD
View
A
Retailer 10
-
$6,085 SGD
$4,760 USD
View
A
Retailer 11
-
$6,140 SGD
$4,803 USD
View
A
Retailer 12
-
$6,214 SGD
$4,861 USD
View
Retailer 13
-
$6,862 SGD
$5,368 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
$9,474 SGD
£5,835 GBP
View
Retailer 15
-
$10,363 SGD
$8,106 USD
View
Price last confirmed 15 days ago
Most Expensive
B+
Queensmith
1547460191 · Oct 28
$10,918 SGD
£6,725 GBP
View
15 more retailers have this diamond
Prices start from $4,500 SGDSave up to $6,419 SGD

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
$4,500 SGD