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Oval|Natural|GIA

1.51ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 6341101447

Certificate GIA 6341101447

Diamond specifications and retailer prices

From $10,297 AUD
$7,233 USD
As of November 1, 2026
Save $11,856 AUD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $22,153 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 I 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 6341101447. Listed at 17 retailers as of October 30, 2026, with prices from $10,297 to $22,153, a $11,856 spread on the same certified stone. NZ Jewellers lists it at $22,153. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6341101447
Dimensions8.65 × 6.62 × 4.05 mm
L/W Ratio1.31
Top View
8.65 mm6.62 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6341101447
Side View
Table 56.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $22,153 AUD|Low: $9,880 AUD|High: $22,153 AUD|Avg: $13,908 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$9,880 AUD
Retailer 10$11,077 AUD
Retailer 11$11,170 AUD
Retailer 9$12,000 AUD
Retailer 7$12,185 AUD
Retailer 4$12,257 AUD
Retailer 5$13,691 AUD
Retailer 8$13,846 AUD
Retailer 3$15,790 AUD
Retailer 2$18,459 AUD
NZ Jewellers$22,153 AUD

41 data points across 11 retailers

17 retailers$10,297 AUD to $22,153 AUD

Retailer 1
-
$9,880 AUD
$6,940 USD
Price last confirmed 14 days ago
B
Retailer 2
-
$10,297 AUD
$7,233 USD
View
B
Retailer 3
-
$10,371 AUD
$7,285 USD
View
B+
Retailer 4
-
$10,874 AUD
CA$10,609 CAD
View
B
Retailer 5
-
$11,077 AUD
$7,781 USD
View
B
Retailer 6
-
$11,170 AUD
$7,846 USD
View
B
Retailer 7
-
$12,000 AUD
$8,429 USD
View
B
Retailer 8
-
$12,185 AUD
$8,559 USD
View
B
Retailer 9
-
$12,257 AUD
£6,779 GBP
View
B
Retailer 10
-
$12,717 AUD
$8,933 USD
View
B
Retailer 11
-
$13,154 AUD
$9,240 USD
View
B
Retailer 12
-
$13,154 AUD
$9,240 USD
View
B
Retailer 13
-
$13,595 AUD
$9,550 USD
View
B
Retailer 14
-
$13,691 AUD
€9,159 EUR
View
B
Retailer 15
-
$13,846 AUD
$9,726 USD
View
B
Retailer 16
-
$18,459 AUD
£10,210 GBP
View
Most Expensive
B
NZ Jewellers
170f851d-aaac-4eab-9e8f-04e7ef44227a · Oct 30
$22,153 AUD
$15,561 USD
View
16 more retailers have this diamond
Prices start from $10,297 AUDSave up to $11,856 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
$10,297 AUD