Heart|Natural|GIA

1.51ct I VVS1 Heart Natural Diamond

EX • I/VVS1 • GIA 6561185178

Certificate GIA 6561185178

Diamond specifications and retailer prices

From $5,517 USD
As of November 4, 2026
Save $1,689 USD (23%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,206 USD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561185178. Listed at 6 retailers as of November 4, 2026, with prices from $5,517 to $7,206, a $1,689 spread on the same certified stone. Blue Nile lists it at $7,206. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Color
VVS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561185178
Dimensions7.21 × 8.05 × 4.58 mm
L/W Ratio1.12
Culet sizeNone
Key to symbols
Pinpoint
Top View
7.21 mm8.05 mm1.51 ctI / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561185178
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 56.9%

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 4
Current: $7,206 USD|Low: $5,509 USD|High: $7,459 USD|Avg: $6,354 USD|-3.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3$5,517 USD
Retailer 6$5,922 USD
Retailer 5$6,164 USD
Retailer 4$6,363 USD
Retailer 2$6,389 USD
Blue Nile$7,206 USD

46 data points across 6 retailers

6 retailers$5,517 USD to $7,206 USD

A
Cheapest Retailer
-
$5,517 USD
A
Retailer 2
-
$5,922 USD
View
A
Retailer 3
-
$6,164 USD
View
A
Retailer 4
-
$6,363 USD
View
Final sale: no returns
A
Retailer 5
-
$6,389 USD
View
Most Expensive
B+
Blue Nile
30120285 · Nov 5
$7,206 USD
View
5 more retailers have this diamond
Prices start from $5,517 USDSave up to $1,689 USD

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
$5,517 USD