Heart|Natural|GIA

0.51ct G IF Heart Natural Diamond

EX • G/IF • GIA 7548232156

Certificate GIA 7548232156

Diamond specifications and retailer prices

From $839 USD
As of November 5, 2026
Save $212 USD (20%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,259 USD at NZ Jewellers · As of September 20, 2026
View at NZ Jewellers

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7548232156. Listed at 8 retailers as of November 5, 2026, with a 25% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
G
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle39°
OriginNatural
Grading LabGIA
CertificateGIA 7548232156
Dimensions5.20 × 5.75 × 3.11 mm
L/W Ratio1.11
Girdle conditionFaceted
Top View
5.20 mm5.75 mm0.51 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7548232156
Side View
Table 60.0%CrownGirdle: STK-THKPavilion 39°Culet: NoneDepth 54.1%

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 5
Current: $839 USD|Low: $553 USD|High: $1,323 USD|Avg: $897 USD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 11$609 USD
Retailer 8$700 USD
Retailer 7$712 USD
Retailer 2$728 USD
Retailer 13$761 USD
Retailer 5$768 USD
Retailer 14$821 USD
Retailer 1$839 USD
Retailer 6$900 USD
Retailer 4$929 USD
Retailer 3$931 USD
Retailer 12$997 USD
Retailer 9$1,051 USD
Retailer 17$1,061 USD
Retailer 10$1,083 USD
Retailer 16$1,104 USD
Retailer 15$1,323 USD

9 data points across 17 retailers

8 retailers$839 USD to $1,051 USD

Retailer 1
-
$614 USD
Price last confirmed 63 days ago
Retailer 2
-
$728 USD
View
Price last confirmed 44 days ago
A
Retailer 3
-
$839 USD
View
Retailer 4
-
$931 USD
View
Price last confirmed 44 days ago
B+
Retailer 5
-
$1,051 USD
View
Retailer 6
-
$1,061 USD
View
Price last confirmed 44 days ago
Retailer 7
-
$1,083 USD
View
Price last confirmed 43 days ago
Most Expensive
NZ Jewellers
4658b770-a531-4201-aea9-34499975bdc1 · Sep 20
$2,259 USD
View
Price last confirmed 46 days ago
7 more retailers have this diamond
Prices start from $839 USDSave up to $212 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
0.51ct Heart
$839 USD