CaratHunter
Plans
Oval|Natural|GIA

1.51ct E SI2 Oval Natural Diamond

ID • E/SI2 • GIA 2235692374

Certificate GIA 2235692374

Diamond specifications and retailer prices

From $9,296 AUD
$6,531 USD
As of October 29, 2026
Save $8,912 AUD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $18,208 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235692374. Listed at 13 retailers as of October 29, 2026, with prices from $9,296 to $18,208, a $8,912 spread on the same certified stone. NZ Jewellers lists it at $18,208. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.17°
Pavilion angle40.67°
OriginNatural
Grading LabGIA
CertificateGIA 2235692374
Dimensions8.80 × 6.28 × 4.13 mm
L/W Ratio1.40
Girdle conditionVery Thick
Key to symbols
Crystal, Cavity, Needle, Feather, Indented Natural
Top View
8.80 mm6.28 mm1.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235692374
Side View
Table 59.0%Crown 39.17°Girdle: Sli. Thick - Very ThickPavilion 40.67°Culet: NoneDepth 65.7%

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 29
Current: $18,208 AUD|Low: $8,397 AUD|High: $18,208 AUD|Avg: $11,314 AUD|+29.7%
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
October 30, 2026
Retailer 5$9,296 AUD
Retailer 9$9,316 AUD
Retailer 12$9,548 AUD
Retailer 2$10,042 AUD
Retailer 4$10,049 AUD
Retailer 8$10,426 AUD
Retailer 10$10,886 AUD
Retailer 3$11,054 AUD
Retailer 13$11,120 AUD
Retailer 7$11,877 AUD
Retailer 11$12,562 AUD
Retailer 6$14,887 AUD
NZ Jewellers$18,208 AUD

36 data points across 13 retailers

13 retailers$9,296 AUD to $18,208 AUD

A
Cheapest Retailer
-
$9,296 AUD
$6,531 USD
Retailer 2
-
$9,316 AUD
$6,545 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$9,548 AUD
$6,708 USD
View
A
Retailer 4
-
$10,042 AUD
£5,555 GBP
View
A
Retailer 5
-
$10,049 AUD
$7,060 USD
View
A
Retailer 6
-
$10,426 AUD
£5,768 GBP
View
B+
Retailer 7
-
$10,886 AUD
$7,648 USD
View
B+
Retailer 8
-
$11,054 AUD
$7,766 USD
View
B+
Retailer 9
-
$11,120 AUD
$7,812 USD
View
B+
Retailer 10
-
$11,877 AUD
€7,947 EUR
View
B+
Retailer 11
-
$12,562 AUD
$8,825 USD
View
B+
Retailer 12
-
$14,887 AUD
£8,235 GBP
View
Most Expensive
B
NZ Jewellers
c6951d8c-73d7-4540-af0b-9b0874cf0305 · Oct 30
$18,208 AUD
$12,792 USD
View
12 more retailers have this diamond
Prices start from $9,296 AUDSave up to $8,912 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
$9,296 AUD