Round|Natural|GIA

1.51ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7513772206

Certificate GIA 7513772206

Diamond specifications and retailer prices

From $8,516 NZD
As of November 6, 2026
Save $4,397 NZD (34%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $20,699 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7513772206. Listed at 18 retailers as of November 2, 2026, with a 52% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7513772206
Dimensions7.32 × 7.27 × 4.59 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.32 mm7.27 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7513772206
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $10,753 NZD|Low: $8,446 NZD|High: $18,186 NZD|Avg: $11,625 NZD|-3.9%
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
November 5, 2026
Retailer 9$8,516 NZD
Retailer 10$9,489 NZD
Retailer 5$10,028 NZD
Retailer 11$10,202 NZD
Retailer 2$10,305 NZD
Retailer 13$10,327 NZD
Retailer 1$10,753 NZD
Retailer 14$10,928 NZD
Retailer 7$10,985 NZD
Retailer 8$11,170 NZD
Retailer 6$12,136 NZD
Retailer 12$12,913 NZD
Retailer 4$14,852 NZD
Retailer 3$17,535 NZD

32 data points across 14 retailers

18 retailers$8,516 NZD to $12,913 NZD

A
Cheapest Retailer
-
$8,516 NZD
A
Retailer 2
-
$9,489 NZD
View
Retailer 3
-
$10,028 NZD
View
Price last confirmed 23 days ago
A
Retailer 4
-
$10,202 NZD
View
A
Retailer 5
-
$10,305 NZD
View
Retailer 6
-
$10,327 NZD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$10,753 NZD
View
A
Retailer 8
-
$10,985 NZD
View
A
Retailer 9
-
$11,170 NZD
View
Retailer 10
-
$11,424 NZD
View
Price last confirmed 29 days ago
Retailer 11
-
$12,136 NZD
View
Price last confirmed 33 days ago
Retailer 12
-
$12,376 NZD
View
Price last confirmed 39 days ago
Retailer 13
-
$12,566 NZD
View
Price last confirmed 38 days ago
A
Retailer 14
-
$12,913 NZD
View
Retailer 15
-
$14,279 NZD
View
Price last confirmed 38 days ago
Retailer 16
-
$14,852 NZD
View
Price last confirmed 10 days ago
Retailer 17
-
$17,535 NZD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
6df0276c-c38a-45f7-9185-b9ea45a5031b · Sep 28
$20,699 NZD
$11,636 USD
View
Price last confirmed 39 days ago
17 more retailers have this diamond
Prices start from $8,516 NZDSave up to $4,397 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 Round
$8,516 NZD