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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 €3,151 EUR
HK$27,500 HKD
As of November 1, 2026
Save €4,494 EUR (59%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €7,645 EUR 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 €3,151 to €7,645, a €4,494 spread on the same certified stone. Queensmith lists it at €7,645. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €7,645 EUR|Low: €3,128 EUR|High: €7,940 EUR|Avg: €4,851 EUR|-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€3,151 EUR
Retailer 3€3,393 EUR
Retailer 7€3,844 EUR
Retailer 10€4,009 EUR
Retailer 2€4,141 EUR
Retailer 6€4,185 EUR
Retailer 8€4,261 EUR
Retailer 9€4,299 EUR
Retailer 4€6,633 EUR
Queensmith€7,645 EUR

41 data points across 10 retailers

16 retailers€3,151 EUR to €7,645 EUR

A
Cheapest Retailer
-
€3,151 EUR
HK$27,500 HKD
A
Retailer 2
-
€3,393 EUR
₹361,043 INR
View
A
Retailer 3
-
€3,844 EUR
$4,294 USD
View
Final sale: no returns
Retailer 4
-
€4,009 EUR
SGD 6,052 SGD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€4,141 EUR
£3,643 GBP
View
Retailer 6
-
€4,164 EUR
$4,652 USD
View
Price last confirmed 17 days ago
Retailer 7
-
€4,164 EUR
$4,652 USD
View
Price last confirmed 15 days ago
Retailer 8
-
€4,164 EUR
$4,652 USD
View
Price last confirmed 16 days ago
A
Retailer 9
-
€4,185 EUR
SGD 6,318 SGD
View
A
Retailer 10
-
€4,261 EUR
$4,760 USD
View
A
Retailer 11
-
€4,299 EUR
$4,803 USD
View
A
Retailer 12
-
€4,351 EUR
$4,861 USD
View
Retailer 13
-
€4,805 EUR
$5,368 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
€6,633 EUR
£5,835 GBP
View
Retailer 15
-
€7,256 EUR
$8,106 USD
View
Price last confirmed 15 days ago
Most Expensive
B+
Queensmith
1547460191 · Oct 28
€7,645 EUR
£6,725 GBP
View
15 more retailers have this diamond
Prices start from €3,151 EURSave up to €4,494 EUR

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
€3,151 EUR