Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 7496110955

Certificate GIA 7496110955

Diamond specifications and retailer prices

From $8,153 NZD
HK$35,900 HKD
As of October 31, 2026
Save $7,997 NZD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $18,838 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7496110955. Listed at 15 retailers as of October 29, 2026, with a 98% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7496110955
Dimensions7.42 × 7.39 × 4.48 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Top View
7.42 mm7.39 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 7496110955
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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: Oct 31
Current: $8,153 NZD|Low: $7,952 NZD|High: $16,792 NZD|Avg: $10,472 NZD|-5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 1$8,153 NZD
Retailer 11$8,375 NZD
Retailer 9$8,614 NZD
Retailer 2$8,651 NZD
Retailer 8$9,118 NZD
Retailer 12$9,741 NZD
Retailer 4$9,943 NZD
Retailer 5$10,391 NZD
Retailer 6$11,260 NZD
Retailer 3$12,103 NZD
Retailer 10$12,479 NZD
Retailer 7$16,150 NZD

25 data points across 12 retailers

15 retailers$8,153 NZD to $16,150 NZD

A
Cheapest Retailer
-
$8,153 NZD
HK$35,900 HKD
A
Retailer 2
-
$8,375 NZD
$4,720 USD
View
A
Retailer 3
-
$8,614 NZD
$4,855 USD
View
A
Retailer 4
-
$8,651 NZD
$4,876 USD
View
A
Retailer 5
-
$9,118 NZD
$5,139 USD
View
Final sale: no returns
A
Retailer 6
-
$9,741 NZD
$5,490 USD
View
Retailer 7
-
$9,943 NZD
$5,604 USD
View
Price last confirmed 30 days ago
Retailer 8
-
$9,943 NZD
$5,604 USD
View
Price last confirmed 32 days ago
A
Retailer 9
-
$10,391 NZD
£4,611 GBP
View
A
Retailer 10
-
$11,260 NZD
€6,044 EUR
View
Retailer 11
-
$11,772 NZD
$6,635 USD
View
Price last confirmed 32 days ago
Retailer 12
-
$12,103 NZD
$6,821 USD
View
Price last confirmed 8 days ago
A
Retailer 13
-
$12,479 NZD
$7,033 USD
View
B+
Retailer 14
-
$16,150 NZD
£7,167 GBP
View
Most Expensive
NZ Jewellers
475f882d-e8cc-4878-bdd1-c9f800fcf2c3 · Sep 28
$18,838 NZD
$10,617 USD
View
Price last confirmed 33 days ago
14 more retailers have this diamond
Prices start from $8,153 NZDSave up to $7,997 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
$8,153 NZD