CaratHunter
Plans
Oval|Natural|GIA

1.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 7522574211

Certificate GIA 7522574211

Diamond specifications and retailer prices

From $10,905 AUD
$7,660 USD
As of October 28, 2026
Save $12,807 AUD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $23,711 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 D 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 7522574211. Listed at 19 retailers as of October 28, 2026, with prices from $10,905 to $23,711, a $12,807 spread on the same certified stone. NZ Jewellers lists it at $23,711. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7522574211
Dimensions9.48 × 6.33 × 3.99 mm
L/W Ratio1.50
Culet sizeNone
Key to symbols
Crystal, Feather, Pinpoint
Top View
9.48 mm6.33 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7522574211
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.1%

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: Oct 28
Current: $23,711 AUD|Low: $10,905 AUD|High: $23,711 AUD|Avg: $15,374 AUD|+11.9%
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
November 1, 2026
Retailer 6$10,905 AUD
Retailer 18$11,101 AUD
Retailer 15$11,787 AUD
Retailer 5$11,856 AUD
Retailer 16$11,856 AUD
Retailer 4$12,844 AUD
Retailer 12$12,926 AUD
Retailer 19$13,042 AUD
Retailer 17$13,104 AUD
Retailer 8$14,169 AUD
Retailer 3$14,521 AUD
Retailer 9$14,521 AUD
Retailer 11$14,820 AUD
Retailer 10$15,005 AUD
Retailer 14$15,492 AUD
Retailer 7$15,811 AUD
Retailer 13$17,417 AUD
Retailer 2$19,758 AUD
NZ Jewellers$23,711 AUD

43 data points across 19 retailers

19 retailers$10,905 AUD to $23,711 AUD

A
Cheapest Retailer
-
$10,905 AUD
$7,660 USD
B+
Retailer 2
-
$11,101 AUD
$7,798 USD
View
B+
Retailer 3
-
$11,787 AUD
$8,280 USD
View
B+
Retailer 4
-
$11,856 AUD
$8,328 USD
View
B+
Retailer 5
-
$11,856 AUD
$8,328 USD
View
Final sale: no returns
B+
Retailer 6
-
$12,844 AUD
$9,022 USD
View
B+
Retailer 7
-
$12,926 AUD
£7,150 GBP
View
B+
Retailer 8
-
$13,042 AUD
$9,161 USD
View
Retailer 9
-
$13,104 AUD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$14,169 AUD
$9,953 USD
View
B+
Retailer 11
-
$14,521 AUD
$10,200 USD
View
B+
Retailer 12
-
$14,521 AUD
$10,200 USD
View
B+
Retailer 13
-
$14,820 AUD
$10,410 USD
View
B+
Retailer 14
-
$15,005 AUD
$10,540 USD
View
B+
Retailer 15
-
$15,492 AUD
€10,364 EUR
View
B
Retailer 16
-
$15,811 AUD
$11,107 USD
View
B
Retailer 17
-
$17,417 AUD
ZAR 197,654 ZAR
View
B
Retailer 18
-
$19,758 AUD
£10,928 GBP
View
Most Expensive
B
NZ Jewellers
5721c836-d992-4db4-a3b1-256cf545fc9f · Oct 30
$23,711 AUD
$16,656 USD
View
18 more retailers have this diamond
Prices start from $10,905 AUDSave up to $12,807 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
$10,905 AUD