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Heart|Natural|GIA

1.51ct E SI2 Heart Natural Diamond

ID • E/SI2 • GIA 6542210237

Certificate GIA 6542210237

Diamond specifications and retailer prices

From $6,745 NZD
HK$29,700 HKD
As of October 30, 2026
Save $9,017 NZD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $15,762 NZD 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 E 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 6542210237. Listed at 18 retailers as of October 28, 2026, with prices from $6,745 to $15,762, a $9,017 spread on the same certified stone. Queensmith lists it at $15,762. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542210237
Dimensions8.17 × 7.29 × 4.52 mm
L/W Ratio1.12
Top View
8.17 mm7.29 mm1.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542210237
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 55.3%

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: Oct 30
Current: $15,762 NZD|Low: $6,745 NZD|High: $16,145 NZD|Avg: $9,999 NZD|-2.4%
Queensmith
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
October 30, 2026
Retailer 15$6,745 NZD
Retailer 2$7,316 NZD
Retailer 16$8,297 NZD
Retailer 9$8,496 NZD
Retailer 8$8,656 NZD
Retailer 13$8,727 NZD
Retailer 10$8,973 NZD
Retailer 3$8,989 NZD
Retailer 12$8,989 NZD
Retailer 14$8,989 NZD
Retailer 4$9,084 NZD
Retailer 7$9,259 NZD
Retailer 6$10,373 NZD
Retailer 11$14,394 NZD
Retailer 5$15,035 NZD
Queensmith$15,762 NZD

29 data points across 16 retailers

18 retailers$6,745 NZD to $15,762 NZD

A
Cheapest Retailer
-
$6,745 NZD
HK$29,700 HKD
A
Retailer 2
-
$7,316 NZD
₹392,688 INR
View
A
Retailer 3
-
$8,297 NZD
$4,676 USD
View
Final sale: no returns
A
Retailer 4
-
$8,496 NZD
£3,770 GBP
View
A
Retailer 5
-
$8,656 NZD
SGD 6,593 SGD
View
A
Retailer 6
-
$8,727 NZD
SGD 6,647 SGD
View
A
Retailer 7
-
$8,973 NZD
£3,982 GBP
View
Retailer 8
-
$8,989 NZD
$5,066 USD
View
Price last confirmed 15 days ago
Retailer 9
-
$8,989 NZD
$5,066 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$8,989 NZD
$5,066 USD
View
Price last confirmed 14 days ago
A
Retailer 11
-
$9,074 NZD
$5,114 USD
View
A
Retailer 12
-
$9,084 NZD
$5,120 USD
View
A
Retailer 13
-
$9,259 NZD
$5,218 USD
View
A
Retailer 14
-
$9,535 NZD
A$8,268 AUD
View
Retailer 15
-
$10,373 NZD
$5,846 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
$14,394 NZD
£6,388 GBP
View
Retailer 17
-
$15,035 NZD
$8,474 USD
View
Price last confirmed 13 days ago
Most Expensive
B+
Queensmith
6542210237 · Oct 28
$15,762 NZD
£6,995 GBP
View
17 more retailers have this diamond
Prices start from $6,745 NZDSave up to $9,017 NZD

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
$6,745 NZD