CaratHunter
Plans
Oval|Natural|GIA

1.51ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 7552514727

Certificate GIA 7552514727

Diamond specifications and retailer prices

From $6,025 AUD
$4,232 USD
As of November 2, 2026
Save $9,584 AUD (61%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $15,608 AUD at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7552514727. Listed at 25 retailers as of October 30, 2026, with prices from $6,025 to $15,608, a $9,584 spread on the same certified stone. NZ Jewellers lists it at $15,608. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.28°
Pavilion angle39.21°
OriginNatural
Grading LabGIA
CertificateGIA 7552514727
Dimensions8.97 × 6.40 × 3.98 mm
L/W Ratio1.40
Culet sizeNone
Top View
8.97 mm6.40 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7552514727
Side View
Table 59.0%Crown 40.28°Girdle: STK-THKPavilion 39.21°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $9,041 AUD|Low: $7,290 AUD|High: $13,914 AUD|Avg: $9,269 AUD|-1.1%
Retailer 1
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
November 2, 2026
Retailer 14$7,290 AUD
Retailer 10$7,378 AUD
Retailer 11$7,804 AUD
Retailer 2$8,154 AUD
Retailer 3$8,607 AUD
Retailer 6$8,811 AUD
Retailer 8$8,951 AUD
Retailer 1$9,041 AUD
Retailer 4$9,424 AUD
Retailer 13$9,424 AUD
Retailer 7$9,626 AUD
Retailer 12$9,737 AUD
Retailer 5$9,755 AUD
Retailer 9$13,750 AUD

37 data points across 14 retailers

25 retailers$6,025 AUD to $15,608 AUD

A
Cheapest Retailer
-
$6,025 AUD
$4,232 USD
A
Retailer 2
-
$7,108 AUD
$4,993 USD
View
A
Retailer 3
-
$7,290 AUD
$5,121 USD
View
B+
Retailer 4
-
$7,373 AUD
$5,179 USD
View
B+
Retailer 5
-
$7,378 AUD
$5,183 USD
View
B+
Retailer 6
-
$7,470 AUD
$5,247 USD
View
B+
Retailer 7
-
$7,804 AUD
$5,482 USD
View
Final sale: no returns
B+
Retailer 8
-
$8,154 AUD
CA$7,955 CAD
View
B+
Retailer 9
-
$8,280 AUD
$5,816 USD
View
B+
Retailer 10
-
$8,341 AUD
$5,859 USD
View
B+
Retailer 11
-
$8,455 AUD
$5,939 USD
View
B+
Retailer 12
-
$8,455 AUD
$5,939 USD
View
B+
Retailer 13
-
$8,455 AUD
$5,939 USD
View
B+
Retailer 14
-
$8,607 AUD
$6,046 USD
View
B+
Retailer 15
-
$8,811 AUD
$6,189 USD
View
B+
Retailer 16
-
$8,951 AUD
£4,951 GBP
View
B+
Retailer 17
-
$9,041 AUD
£5,000 GBP
View
B+
Retailer 18
-
$9,424 AUD
$6,620 USD
View
B+
Retailer 19
-
$9,424 AUD
$6,620 USD
View
B+
Retailer 20
-
$9,626 AUD
€6,440 EUR
View
B+
Retailer 21
-
$9,737 AUD
$6,840 USD
View
B+
Retailer 22
-
$9,755 AUD
$6,852 USD
View
B
Retailer 23
-
$13,526 AUD
$9,501 USD
View
B
Retailer 24
-
$13,750 AUD
£7,605 GBP
View
Most Expensive
B
NZ Jewellers
5abacb77-abe1-4adf-b094-2d309d225a27 · Oct 30
$15,608 AUD
$10,964 USD
View
24 more retailers have this diamond
Prices start from $6,025 AUDSave up to $9,584 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.

A
1.51ct Oval
$6,025 AUD