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Round|Natural|GIA

0.55ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552529942

Certificate GIA 6552529942

Diamond specifications and retailer prices

From $414 USD
₹39,460 INR
As of October 30, 2026
Save $1,322 USD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,736 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552529942. Listed at 17 retailers as of October 27, 2026, with prices from $414 to $1,736, a $1,322 spread on the same certified stone. NZ Jewellers lists it at $1,736. 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

0.55
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552529942
Dimensions5.23 × 5.27 × 3.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.23 mm5.27 mm0.55 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552529942
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $1,736 USD|Low: $413 USD|High: $1,786 USD|Avg: $716 USD|-2.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 12$414 USD
Retailer 16$474 USD
Retailer 8$474 USD
Retailer 9$510 USD
Retailer 17$548 USD
Retailer 3$549 USD
Retailer 13$551 USD
Retailer 6$582 USD
Retailer 5$596 USD
Retailer 14$639 USD
Retailer 4$673 USD
Retailer 10$681 USD
Retailer 11$754 USD
Retailer 15$771 USD
Retailer 2$817 USD
Retailer 7$1,280 USD
NZ Jewellers$1,736 USD

19 data points across 17 retailers

17 retailers$414 USD to $1,736 USD

A
Cheapest Retailer
-
$414 USD
₹39,460 INR
A
Retailer 2
-
$474 USD
HK$3,700 HKD
View
A
Retailer 3
-
$474 USD
View
A
Retailer 4
-
$510 USD
View
Final sale: no returns
Retailer 5
-
$548 USD
€522 EUR
View
Price last confirmed 7 days ago
A
Retailer 6
-
$549 USD
A$845 AUD
View
A
Retailer 7
-
$551 USD
SGD 744 SGD
View
A
Retailer 8
-
$582 USD
SGD 786 SGD
View
Retailer 9
-
$596 USD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$639 USD
View
A
Retailer 11
-
$673 USD
£530 GBP
View
A
Retailer 12
-
$681 USD
£536 GBP
View
B+
Retailer 13
-
$754 USD
€718 EUR
View
Retailer 14
-
$771 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$817 USD
View
Retailer 16
-
$1,280 USD
£1,008 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
75eb94d4-cae0-4ed7-96d5-e62f1b3717b8 · Oct 27
$1,736 USD
View
16 more retailers have this diamond
Prices start from $414 USDSave up to $1,322 USD

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
0.55ct Round
$414 USD