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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6542368669

Certificate GIA 6542368669

Diamond specifications and retailer prices

From $10,668 NZD
A$9,250 AUD
As of November 1, 2026
Save $12,300 NZD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $22,968 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6542368669. Listed at 17 retailers as of October 30, 2026, with prices from $10,668 to $22,968, a $12,300 spread on the same certified stone. NZ Jewellers lists it at $22,968. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542368669
Dimensions7.29 × 7.34 × 4.59 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.29 mm7.34 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542368669
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $22,968 NZD|Low: $7,573 NZD|High: $22,968 NZD|Avg: $13,867 NZD
NZ Jewellers
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
November 2, 2026
Retailer 9$7,573 NZD
Retailer 15$10,850 NZD
Retailer 4$11,483 NZD
Retailer 14$11,483 NZD
Retailer 17$12,441 NZD
Retailer 16$12,633 NZD
Retailer 12$12,674 NZD
Retailer 2$12,859 NZD
Retailer 5$13,786 NZD
Retailer 6$13,786 NZD
Retailer 13$13,842 NZD
Retailer 10$14,131 NZD
Retailer 7$14,248 NZD
Retailer 3$14,354 NZD
Retailer 8$15,131 NZD
Retailer 11$19,138 NZD
NZ Jewellers$22,968 NZD

40 data points across 17 retailers

17 retailers$10,668 NZD to $22,968 NZD

B+
Cheapest Retailer
-
$10,668 NZD
A$9,250 AUD
B+
Retailer 2
-
$10,850 NZD
$6,115 USD
View
B+
Retailer 3
-
$11,483 NZD
$6,472 USD
View
B+
Retailer 4
-
$11,483 NZD
$6,472 USD
View
Final sale: no returns
B+
Retailer 5
-
$12,441 NZD
$7,012 USD
View
B+
Retailer 6
-
$12,633 NZD
$7,120 USD
View
B+
Retailer 7
-
$12,674 NZD
$7,143 USD
View
B+
Retailer 8
-
$12,859 NZD
£5,707 GBP
View
B+
Retailer 9
-
$13,786 NZD
$7,770 USD
View
B+
Retailer 10
-
$13,786 NZD
$7,770 USD
View
B+
Retailer 11
-
$13,842 NZD
$7,801 USD
View
B+
Retailer 12
-
$14,131 NZD
€7,585 EUR
View
B
Retailer 13
-
$14,248 NZD
$8,030 USD
View
B
Retailer 14
-
$14,354 NZD
$8,090 USD
View
Retailer 15
-
$15,131 NZD
$8,528 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$19,138 NZD
£8,493 GBP
View
Most Expensive
B
NZ Jewellers
3f48afd1-8abf-450b-a82f-d6648a2087b1 · Oct 30
$22,968 NZD
$12,945 USD
View
16 more retailers have this diamond
Prices start from $10,668 NZDSave up to $12,300 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.

B+
1.51ct Round
$10,668 NZD