Oval|Natural|GIA

1.51ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 7541082818

Certificate GIA 7541082818

Diamond specifications and retailer prices

From $13,609 NZD
$7,657 USD
As of October 27, 2026
Save $15,637 NZD (53%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $29,245 NZD 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 27 retailers as of October 27, 2026, with prices from $13,609 to $29,245, a $15,637 spread on the same certified stone. NZ Jewellers lists it at $29,245. 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

How it works →
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: $29,245 NZD|Low: $12,793 NZD|High: $29,245 NZD|Avg: $17,085 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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 28, 2026
Retailer 7$12,962 NZD
Retailer 21$13,454 NZD
Retailer 9$13,609 NZD
Retailer 8$13,691 NZD
Retailer 22$14,032 NZD
Retailer 11$14,086 NZD
Retailer 15$14,547 NZD
Retailer 6$14,744 NZD
Retailer 17$15,585 NZD
Retailer 3$16,085 NZD
Retailer 19$16,159 NZD
Retailer 2$16,259 NZD
Retailer 5$16,316 NZD
Retailer 24$16,559 NZD
Retailer 4$17,329 NZD
Retailer 23$17,329 NZD
Retailer 14$17,727 NZD
Retailer 16$17,897 NZD
Retailer 13$18,079 NZD
Retailer 12$18,280 NZD
Retailer 10$18,665 NZD
Retailer 20$21,103 NZD
Retailer 18$24,402 NZD
NZ Jewellers$29,245 NZD

40 data points across 24 retailers

27 retailers$13,609 NZD to $29,245 NZD

Retailer 1
-
$12,962 NZD
$7,293 USD
Price last confirmed 7 days ago
Retailer 2
-
$13,454 NZD
$7,570 USD
View
Price last confirmed 15 days ago
B+
Retailer 3
-
$13,609 NZD
$7,657 USD
View
Retailer 4
-
$13,691 NZD
$7,703 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$14,086 NZD
$7,926 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$14,257 NZD
CA$11,141 CAD
View
Retailer 7
-
$14,547 NZD
$8,185 USD
View
Price last confirmed 5 days ago
Retailer 8
-
$14,624 NZD
$8,228 USD
View
Price last confirmed 8 days ago
Retailer 9
-
$14,744 NZD
$8,296 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$15,585 NZD
$8,769 USD
View
Price last confirmed 8 days ago
Retailer 11
-
$15,841 NZD
$8,913 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$16,085 NZD
$9,050 USD
View
Price last confirmed 8 days ago
Retailer 13
-
$16,159 NZD
A$13,987 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$16,259 NZD
£7,203 GBP
View
B+
Retailer 15
-
$16,316 NZD
$9,180 USD
View
Retailer 16
-
$16,559 NZD
£7,336 GBP
View
Price last confirmed 33 days ago
B+
Retailer 17
-
$16,811 NZD
$9,459 USD
View
Retailer 18
-
$17,329 NZD
$9,750 USD
View
Price last confirmed 7 days ago
Retailer 19
-
$17,329 NZD
$9,750 USD
View
Price last confirmed 7 days ago
B
Retailer 20
-
$17,727 NZD
$9,974 USD
View
Retailer 21
-
$17,897 NZD
$10,070 USD
View
Price last confirmed 7 days ago
B
Retailer 22
-
$18,079 NZD
€9,688 EUR
View
B
Retailer 23
-
$18,280 NZD
$10,285 USD
View
B
Retailer 24
-
$18,665 NZD
$10,502 USD
View
Retailer 25
-
$21,103 NZD
ZAR 191,815 ZAR
View
Price last confirmed 11 days ago
Retailer 26
-
$24,402 NZD
£10,811 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
ba8cfb27-982e-495b-85d3-62f061bf1bed · Oct 27
$29,245 NZD
$16,455 USD
View
26 more retailers have this diamond
Prices start from $13,609 NZDSave up to $15,637 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 Oval
$13,609 NZD