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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 $10,074 AUD
$7,060 USD
As of November 1, 2026
Save $12,167 AUD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $22,241 AUD 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 $10,074 to $22,241, a $12,167 spread on the same certified stone. NZ Jewellers lists it at $22,241. 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: $22,241 AUD|Low: $11,121 AUD|High: $22,241 AUD|Avg: $14,598 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 6$11,121 AUD
Retailer 8$12,047 AUD
Retailer 5$12,233 AUD
Retailer 2$12,324 AUD
Retailer 3$13,763 AUD
Retailer 7$13,901 AUD
Retailer 4$18,533 AUD
NZ Jewellers$22,241 AUD

42 data points across 8 retailers

16 retailers$10,074 AUD to $22,241 AUD

B+
Cheapest Retailer
-
$10,074 AUD
$7,060 USD
B+
Retailer 2
-
$10,412 AUD
$7,297 USD
View
B+
Retailer 3
-
$10,918 AUD
CA$10,627 CAD
View
B+
Retailer 4
-
$11,121 AUD
$7,794 USD
View
B+
Retailer 5
-
$12,047 AUD
$8,443 USD
View
B+
Retailer 6
-
$12,233 AUD
$8,573 USD
View
B+
Retailer 7
-
$12,324 AUD
£6,801 GBP
View
B
Retailer 8
-
$12,768 AUD
$8,948 USD
View
B+
Retailer 9
-
$13,213 AUD
$9,260 USD
View
B+
Retailer 10
-
$13,213 AUD
$9,260 USD
View
B+
Retailer 11
-
$13,655 AUD
$9,570 USD
View
B+
Retailer 12
-
$13,763 AUD
€9,186 EUR
View
B+
Retailer 13
-
$13,901 AUD
$9,742 USD
View
Retailer 14
-
$14,643 AUD
$10,262 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$18,533 AUD
£10,227 GBP
View
Most Expensive
B
NZ Jewellers
a8f473e6-c5cb-4ac2-ae1b-0c820d56e09c · Nov 2
$22,241 AUD
$15,587 USD
View
15 more retailers have this diamond
Prices start from $10,074 AUDSave up to $12,167 AUD

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
$10,074 AUD