CaratHunter
Plans
Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2556718809

Certificate GIA 2556718809

Diamond specifications and retailer prices

From $9,448 NZD
HK$41,600 HKD
As of October 30, 2026
Save $9,175 NZD (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $18,623 NZD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556718809. Listed at 10 retailers as of October 26, 2026, with prices from $9,448 to $18,623, a $9,175 spread on the same certified stone. Wholesale Diamonds Direct lists it at $18,623. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556718809
Dimensions7.29 × 7.33 × 4.58 mm
L/W Ratio1.01
Top View
7.29 mm7.33 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556718809
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

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: $10,129 NZD|Low: $9,448 NZD|High: $19,251 NZD|Avg: $12,058 NZD|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 31, 2026
Retailer 8$9,448 NZD
Retailer 2$9,610 NZD
Retailer 1$10,129 NZD
Retailer 7$10,942 NZD
Retailer 9$11,003 NZD
Retailer 3$11,249 NZD
Retailer 5$11,331 NZD
Retailer 6$13,223 NZD
Retailer 4$13,276 NZD
Wholesale Diamonds Direct$18,623 NZD

30 data points across 10 retailers

10 retailers$9,448 NZD to $18,623 NZD

A
Cheapest Retailer
-
$9,448 NZD
HK$41,600 HKD
A
Retailer 2
-
$9,610 NZD
₹515,847 INR
View
A
Retailer 3
-
$10,129 NZD
$5,709 USD
View
Final sale: no returns
A
Retailer 4
-
$10,942 NZD
SGD 8,334 SGD
View
Retailer 5
-
$11,003 NZD
SGD 8,380 SGD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$11,249 NZD
$6,340 USD
View
A
Retailer 7
-
$11,331 NZD
$6,386 USD
View
A
Retailer 8
-
$13,223 NZD
£5,868 GBP
View
A
Retailer 9
-
$13,276 NZD
€7,126 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
436402900 · Oct 26
$18,623 NZD
$10,496 USD
View
9 more retailers have this diamond
Prices start from $9,448 NZDSave up to $9,175 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
$9,448 NZD