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Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6237692072

Certificate GIA 6237692072

Diamond specifications and retailer prices

From $12,548 NZD
$7,060 USD
As of November 1, 2026
Save $15,155 NZD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $27,703 NZD at NZ Jewellers · As of November 2, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6237692072. Listed at 16 retailers as of November 1, 2026, with prices from $12,548 to $27,703, a $15,155 spread on the same certified stone. NZ Jewellers lists it at $27,703. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6237692072
Dimensions7.32 × 7.36 × 4.57 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.32 mm7.36 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237692072
Side View
Table 58.0%Crown 34°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 62.2%

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: $27,703 NZD|Low: $13,852 NZD|High: $27,703 NZD|Avg: $18,174 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$13,852 NZD
Retailer 8$15,006 NZD
Retailer 2$15,223 NZD
Retailer 5$15,237 NZD
Retailer 3$17,122 NZD
Retailer 7$17,314 NZD
Retailer 4$23,084 NZD
NZ Jewellers$27,703 NZD

42 data points across 8 retailers

16 retailers$12,548 NZD to $27,703 NZD

B+
Cheapest Retailer
-
$12,548 NZD
$7,060 USD
B+
Retailer 2
-
$12,969 NZD
$7,297 USD
View
B+
Retailer 3
-
$13,599 NZD
CA$10,627 CAD
View
B+
Retailer 4
-
$13,852 NZD
$7,794 USD
View
B+
Retailer 5
-
$15,006 NZD
$8,443 USD
View
B+
Retailer 6
-
$15,223 NZD
£6,744 GBP
View
B+
Retailer 7
-
$15,237 NZD
$8,573 USD
View
B
Retailer 8
-
$15,903 NZD
$8,948 USD
View
B+
Retailer 9
-
$16,458 NZD
$9,260 USD
View
B+
Retailer 10
-
$16,458 NZD
$9,260 USD
View
B+
Retailer 11
-
$17,009 NZD
$9,570 USD
View
B+
Retailer 12
-
$17,122 NZD
€9,175 EUR
View
B+
Retailer 13
-
$17,314 NZD
$9,742 USD
View
Retailer 14
-
$18,239 NZD
$10,262 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$23,084 NZD
£10,227 GBP
View
Most Expensive
B
NZ Jewellers
a8f473e6-c5cb-4ac2-ae1b-0c820d56e09c · Nov 2
$27,703 NZD
$15,587 USD
View
15 more retailers have this diamond
Prices start from $12,548 NZDSave up to $15,155 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
$12,548 NZD