Heart|Natural|GIA

1.51ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 6561499420

Certificate GIA 6561499420

Diamond specifications and retailer prices

From $4,109 USD
HK$32,100 HKD
As of November 2, 2026
Save $5,304 USD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,413 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561499420. Listed at 16 retailers as of October 30, 2026, with prices from $4,109 to $9,413, a $5,304 spread on the same certified stone. NZ Jewellers lists it at $9,413. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561499420
Dimensions7.05 × 7.76 × 4.61 mm
L/W Ratio1.10
Girdle conditionFaceted
Top View
7.05 mm7.76 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561499420
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.4%

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 2
Current: $9,413 USD|Low: $4,045 USD|High: $10,057 USD|Avg: $6,063 USD|-6.4%
NZ Jewellers
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
November 2, 2026
Retailer 2$4,109 USD
Retailer 4$4,621 USD
Retailer 14$4,664 USD
Retailer 3$4,902 USD
Retailer 12$4,936 USD
Retailer 5$5,196 USD
Retailer 11$5,212 USD
Retailer 10$5,230 USD
Retailer 8$5,260 USD
Retailer 7$5,282 USD
Retailer 9$5,339 USD
Retailer 16$6,338 USD
Retailer 15$6,918 USD
Retailer 6$8,625 USD
Retailer 13$8,900 USD
NZ Jewellers$9,413 USD

20 data points across 16 retailers

16 retailers$4,109 USD to $9,413 USD

A
Cheapest Retailer
-
$4,109 USD
HK$32,100 HKD
A
Retailer 2
-
$4,621 USD
View
A
Retailer 3
-
$4,664 USD
€4,442 EUR
View
A
Retailer 4
-
$4,902 USD
View
A
Retailer 5
-
$4,936 USD
View
A
Retailer 6
-
$5,196 USD
SGD 7,022 SGD
View
A
Retailer 7
-
$5,212 USD
£4,104 GBP
View
A
Retailer 8
-
$5,230 USD
View
Final sale: no returns
A
Retailer 9
-
$5,260 USD
View
A
Retailer 10
-
$5,282 USD
View
A
Retailer 11
-
$5,339 USD
£4,204 GBP
View
B+
Retailer 12
-
$6,338 USD
€6,036 EUR
View
B+
Retailer 13
-
$6,918 USD
ZAR 111,758 ZAR
View
B
Retailer 14
-
$8,625 USD
View
B
Retailer 15
-
$8,900 USD
£7,008 GBP
View
Most Expensive
B
NZ Jewellers
343583af-7775-4d7c-acc2-7fa32cb1b7b5 · Oct 30
$9,413 USD
View
15 more retailers have this diamond
Prices start from $4,109 USDSave up to $5,304 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
$4,109 USD