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Radiant|Natural|GIA

1.55ct D SI1 Radiant Natural Diamond

VG • D/SI1 • GIA 1132532582

Certificate GIA 1132532582

Diamond specifications and retailer prices

From $10,673 AUD
$7,497 USD
As of October 31, 2026
Save $1,124 AUD (10%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $11,796 AUD at DreamStone · As of October 31, 2026
View at DreamStone

About this 1.55ct natural radiant diamond

This 1.55ct natural radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1132532582. Listed at 4 retailers as of October 31, 2026, with a relatively tight 11% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
D
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1132532582
Dimensions7.02 × 6.24 × 4.51 mm
L/W Ratio1.13
Top View
7.02 mm6.24 mm1.55 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1132532582
Side View
Table 68.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 72.3%

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: $11,796 AUD|Low: $10,673 AUD|High: $11,796 AUD|Avg: $11,228 AUD
DreamStone
Retailer 2
Retailer 3
October 5, 2026
Retailer 3$10,673 AUD
Retailer 2$11,748 AUD
DreamStone$11,796 AUD

2 data points across 3 retailers

4 retailers$10,673 AUD to $11,796 AUD

B+
Cheapest Retailer
-
$10,673 AUD
$7,497 USD
B+
Retailer 2
-
$11,441 AUD
View
B+
Retailer 3
-
$11,748 AUD
$8,252 USD
View
Final sale: no returns
Most Expensive
B+
DreamStone
155A0611 · Oct 31
$11,796 AUD
$8,286 USD
View
3 more retailers have this diamond
Prices start from $10,673 AUDSave up to $1,124 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 Radiant
$10,673 AUD