Oval|Natural|GIA

1.54ct H SI2 Oval Natural Diamond

GD • H/SI2 • GIA 6551236116

Certificate GIA 6551236116

Diamond specifications and retailer prices

From $7,655 AUD
$5,377 USD
As of November 1, 2026
Save $6,619 AUD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,205 AUD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.54ct natural oval diamond

This 1.54ct 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 6551236116. Listed at 15 retailers as of November 1, 2026, with a 86% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
H
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551236116
Dimensions9.10 × 6.48 × 4.02 mm
L/W Ratio1.40
Key to symbols
Crystal, Feather, Pinpoint
Top View
9.10 mm6.48 mm1.54 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551236116
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 62.1%

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: $9,387 AUD|Low: $7,427 AUD|High: $14,448 AUD|Avg: $9,417 AUD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$7,655 AUD
Retailer 6$7,696 AUD
Retailer 5$8,103 AUD
Retailer 7$8,170 AUD
Retailer 3$9,293 AUD
Retailer 1$9,387 AUD
Retailer 4$10,588 AUD
Retailer 2$14,274 AUD

39 data points across 8 retailers

15 retailers$7,655 AUD to $14,274 AUD

B+
Cheapest Retailer
-
$7,655 AUD
$5,377 USD
B+
Retailer 2
-
$7,696 AUD
$5,406 USD
View
B+
Retailer 3
-
$8,103 AUD
$5,692 USD
View
Final sale: no returns
B+
Retailer 4
-
$8,170 AUD
$5,739 USD
View
B+
Retailer 5
-
$8,599 AUD
$6,040 USD
View
B+
Retailer 6
-
$8,653 AUD
$6,078 USD
View
Retailer 7
-
$8,778 AUD
$6,166 USD
View
Price last confirmed 34 days ago
Retailer 8
-
$8,778 AUD
$6,166 USD
View
Price last confirmed 33 days ago
Retailer 9
-
$8,778 AUD
$6,166 USD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
$9,293 AUD
£5,140 GBP
View
B+
Retailer 11
-
$9,387 AUD
£5,192 GBP
View
Retailer 12
-
$10,129 AUD
$7,115 USD
View
Price last confirmed 34 days ago
B
Retailer 13
-
$10,588 AUD
€7,083 EUR
View
B
Retailer 14
-
$14,274 AUD
£7,895 GBP
View
Most Expensive
NZ Jewellers
9e329d06-ad23-4955-a527-40bc3b441a4b · Sep 30
$16,205 AUD
$11,383 USD
View
Price last confirmed 32 days ago
14 more retailers have this diamond
Prices start from $7,655 AUDSave up to $6,619 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+
1.54ct Oval
$7,655 AUD