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Round|Natural|GIA

1.55ct I SI2 Round Natural Diamond

GD • I/SI2 • GIA 5436547702

Certificate GIA 5436547702

Diamond specifications and retailer prices

From $7,923 AUD
As of October 31, 2026
Save $2,068 AUD (21%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $9,990 AUD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 5436547702. Listed at 4 retailers as of October 31, 2026, with prices from $7,923 to $9,990, a $2,068 spread on the same certified stone. 77 Diamonds lists it at $9,990. 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

1.55
Carat
I
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5436547702
Dimensions7.19 × 7.27 × 4.69 mm
L/W Ratio1.01
Top View
7.19 mm7.27 mm1.55 ctI / SI2
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 5436547702
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.8%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $9,990 AUD|Low: $9,514 AUD|High: $10,055 AUD|Avg: $9,855 AUD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$9,737 AUD
Retailer 2$9,964 AUD
77 Diamonds$9,990 AUD

36 data points across 3 retailers

4 retailers$7,923 AUD to $9,990 AUD

B+
Cheapest Retailer
-
$7,923 AUD
B
Retailer 2
-
$9,737 AUD
$6,840 USD
View
B
Retailer 3
-
$9,964 AUD
€6,666 EUR
View
Most Expensive
B
77 Diamonds
RBJBBKH8EUQ · Nov 1
$9,990 AUD
£5,526 GBP
View
3 more retailers have this diamond
Prices start from $7,923 AUDSave up to $2,068 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+
1.55ct Round
$7,923 AUD