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Round|Natural|GIA

1.51ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 2534677624

Certificate GIA 2534677624

Diamond specifications and retailer prices

From $9,640 NZD
HK$42,300 HKD
As of October 29, 2026
Save $12,110 NZD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $21,751 NZD at NZ Jewellers · As of October 30, 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2534677624. Listed at 24 retailers as of October 29, 2026, with prices from $9,640 to $21,751, a $12,110 spread on the same certified stone. NZ Jewellers lists it at $21,751. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 2534677624
Dimensions7.15 × 7.08 × 4.59 mm
L/W Ratio1.01
Top View
7.15 mm7.08 mm1.51 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2534677624
Side View
Table 55.0%Crown 38.5°Girdle: ThickPavilion 39.8°Culet: NoneDepth 64.8%

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 29
Current: $13,417 NZD|Low: $9,324 NZD|High: $18,465 NZD|Avg: $12,563 NZD|-1.6%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 11$9,324 NZD
Retailer 7$9,640 NZD
Retailer 14$9,786 NZD
Retailer 6$9,864 NZD
Retailer 16$10,275 NZD
Retailer 5$10,293 NZD
Retailer 10$10,875 NZD
Retailer 9$10,932 NZD
Retailer 12$12,179 NZD
Retailer 2$12,446 NZD
Retailer 18$12,446 NZD
Retailer 4$12,623 NZD
Retailer 17$12,855 NZD
Retailer 1$13,417 NZD
Retailer 15$13,419 NZD
Retailer 3$14,333 NZD
Retailer 8$14,896 NZD
Retailer 19$15,837 NZD
Retailer 13$18,221 NZD

28 data points across 19 retailers

24 retailers$9,640 NZD to $21,751 NZD

Retailer 1
-
$9,324 NZD
$5,237 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$9,640 NZD
HK$42,300 HKD
View
A
Retailer 3
-
$9,786 NZD
$5,496 USD
View
A
Retailer 4
-
$9,864 NZD
$5,540 USD
View
A
Retailer 5
-
$10,275 NZD
$5,771 USD
View
A
Retailer 6
-
$10,293 NZD
$5,781 USD
View
A
Retailer 7
-
$10,875 NZD
$6,108 USD
View
A
Retailer 8
-
$10,875 NZD
$6,108 USD
View
Final sale: no returns
A
Retailer 9
-
$10,932 NZD
$6,140 USD
View
A
Retailer 10
-
$11,782 NZD
$6,617 USD
View
A
Retailer 11
-
$11,963 NZD
$6,719 USD
View
A
Retailer 12
-
$12,179 NZD
£5,386 GBP
View
A
Retailer 13
-
$12,446 NZD
$6,990 USD
View
A
Retailer 14
-
$12,446 NZD
$6,990 USD
View
Retailer 15
-
$12,623 NZD
A$10,907 AUD
View
Price last confirmed 8 days ago
A
Retailer 16
-
$12,855 NZD
$7,220 USD
View
A
Retailer 17
-
$13,417 NZD
£5,933 GBP
View
A
Retailer 18
-
$13,419 NZD
€7,178 EUR
View
B+
Retailer 19
-
$13,594 NZD
$7,635 USD
View
Retailer 20
-
$14,333 NZD
$8,050 USD
View
Price last confirmed 7 days ago
B+
Retailer 21
-
$14,896 NZD
$8,366 USD
View
B+
Retailer 22
-
$15,837 NZD
ZAR 143,691 ZAR
View
B
Retailer 23
-
$18,221 NZD
£8,058 GBP
View
Most Expensive
B
NZ Jewellers
e4c4a878-f917-4282-bf4c-f5daaf29ee42 · Oct 30
$21,751 NZD
$12,216 USD
View
23 more retailers have this diamond
Prices start from $9,640 NZDSave up to $12,110 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
$9,640 NZD