Oval|Natural|GIA

1.51ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 7541082818

Certificate GIA 7541082818

Diamond specifications and retailer prices

From $10,926 AUD
$7,657 USD
As of October 27, 2026
Save $12,554 AUD (53%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $23,480 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7541082818. Listed at 26 retailers as of October 27, 2026, with prices from $10,926 to $23,480, a $12,554 spread on the same certified stone. NZ Jewellers lists it at $23,480. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.22°
Pavilion angle34.68°
OriginNatural
Grading LabGIA
CertificateGIA 7541082818
Dimensions10.05 × 6.18 × 3.51 mm
L/W Ratio1.63
Girdle conditionVery Thick
Key to symbols
Etch Channel, Cavity, Cloud, Needle
Top View
10.05 mm6.18 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7541082818
Side View
Table 60.0%Crown 39.22°Girdle: STK-VTKPavilion 34.68°Culet: NoneDepth 56.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $23,480 AUD|Low: $10,271 AUD|High: $23,480 AUD|Avg: $13,719 AUD
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 28, 2026
Retailer 7$10,406 AUD
Retailer 21$10,802 AUD
Retailer 9$10,926 AUD
Retailer 8$10,991 AUD
Retailer 22$11,265 AUD
Retailer 11$11,309 AUD
Retailer 15$11,679 AUD
Retailer 6$11,838 AUD
Retailer 17$12,513 AUD
Retailer 3$12,913 AUD
Retailer 19$12,973 AUD
Retailer 2$13,054 AUD
Retailer 5$13,099 AUD
Retailer 24$13,294 AUD
Retailer 4$13,912 AUD
Retailer 23$13,912 AUD
Retailer 14$14,232 AUD
Retailer 16$14,369 AUD
Retailer 13$14,515 AUD
Retailer 12$14,676 AUD
Retailer 10$14,985 AUD
Retailer 20$16,942 AUD
Retailer 18$19,591 AUD
NZ Jewellers$23,480 AUD

39 data points across 24 retailers

26 retailers$10,926 AUD to $23,480 AUD

Retailer 1
-
$10,406 AUD
$7,293 USD
Price last confirmed 7 days ago
Retailer 2
-
$10,802 AUD
$7,570 USD
View
Price last confirmed 15 days ago
B+
Retailer 3
-
$10,926 AUD
$7,657 USD
View
Retailer 4
-
$10,991 AUD
$7,703 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$11,309 AUD
$7,926 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$11,446 AUD
CA$11,141 CAD
View
Retailer 7
-
$11,679 AUD
$8,185 USD
View
Price last confirmed 6 days ago
Retailer 8
-
$11,741 AUD
$8,228 USD
View
Price last confirmed 8 days ago
Retailer 9
-
$11,838 AUD
$8,296 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$12,513 AUD
$8,769 USD
View
Price last confirmed 8 days ago
Retailer 11
-
$12,718 AUD
$8,913 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$12,913 AUD
$9,050 USD
View
Price last confirmed 8 days ago
Retailer 13
-
$12,973 AUD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$13,054 AUD
£7,203 GBP
View
B+
Retailer 15
-
$13,099 AUD
$9,180 USD
View
B+
Retailer 16
-
$13,497 AUD
$9,459 USD
View
Retailer 17
-
$13,912 AUD
$9,750 USD
View
Price last confirmed 7 days ago
Retailer 18
-
$13,912 AUD
$9,750 USD
View
Price last confirmed 7 days ago
Retailer 19
-
$14,232 AUD
$9,974 USD
View
Price last confirmed 7 days ago
Retailer 20
-
$14,369 AUD
$10,070 USD
View
Price last confirmed 7 days ago
Retailer 21
-
$14,515 AUD
€9,688 EUR
View
Price last confirmed 7 days ago
B
Retailer 22
-
$14,676 AUD
$10,285 USD
View
B
Retailer 23
-
$14,985 AUD
$10,502 USD
View
Retailer 24
-
$16,942 AUD
ZAR 191,815 ZAR
View
Price last confirmed 11 days ago
Retailer 25
-
$19,591 AUD
£10,811 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
ba8cfb27-982e-495b-85d3-62f061bf1bed · Oct 27
$23,480 AUD
$16,455 USD
View
25 more retailers have this diamond
Prices start from $10,926 AUDSave up to $12,554 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 Oval
$10,926 AUD