Oval|Natural|GIA

1.51ct H IF Oval Natural Diamond

EX • H/IF • GIA 6552312365

Certificate GIA 6552312365

Diamond specifications and retailer prices

From $12,799 AUD
As of November 4, 2026
Save $9,717 AUD (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $22,516 AUD at MOH London · As of November 4, 2026
View at MOH London

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552312365. Listed at 13 retailers as of November 4, 2026, with prices from $12,799 to $22,516, a $9,717 spread on the same certified stone. MOH London lists it at $22,516. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552312365
Dimensions9.61 × 6.26 × 3.98 mm
L/W Ratio1.54
Top View
9.61 mm6.26 mm1.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552312365
Side View
Table 56.0%Crown 35.6°Girdle: MD-STKPavilion 40.8°Culet: NoneDepth 63.5%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $22,516 AUD|Low: $12,799 AUD|High: $23,623 AUD|Avg: $17,003 AUD|-4.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 12$12,799 AUD
Retailer 11$14,162 AUD
Retailer 3$14,655 AUD
Retailer 4$14,805 AUD
Retailer 6$15,461 AUD
Retailer 9$15,919 AUD
Retailer 8$15,956 AUD
Retailer 5$17,231 AUD
Retailer 13$17,698 AUD
Retailer 2$18,111 AUD
Retailer 10$18,246 AUD
Retailer 7$21,090 AUD
MOH London$22,516 AUD

45 data points across 13 retailers

13 retailers$12,799 AUD to $22,516 AUD

A
Cheapest Retailer
-
$12,799 AUD
Retailer 2
-
$14,162 AUD
View
Price last confirmed 25 days ago
B+
Retailer 3
-
$14,655 AUD
View
B+
Retailer 4
-
$14,805 AUD
View
B+
Retailer 5
-
$15,461 AUD
View
Retailer 6
-
$15,919 AUD
View
Price last confirmed 14 days ago
Retailer 7
-
$15,956 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$17,231 AUD
View
B+
Retailer 9
-
$17,698 AUD
View
B+
Retailer 10
-
$18,111 AUD
View
B+
Retailer 11
-
$18,246 AUD
View
B
Retailer 12
-
$21,090 AUD
View
Most Expensive
B
MOH London
296C3AD32 · Nov 4
$22,516 AUD
£12,411 GBP
View
12 more retailers have this diamond
Prices start from $12,799 AUDSave up to $9,717 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
$12,799 AUD