Round|Natural|GIA

0.73ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6491189340

Certificate GIA 6491189340

Diamond specifications and retailer prices

From $1,623 USD
As of November 5, 2026
Save $1,886 USD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,898 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.73ct natural round diamond

This 0.73ct natural round sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6491189340. Listed at 19 retailers as of November 4, 2026, with a 116% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.73
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6491189340
Dimensions5.83 × 5.81 × 3.53 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.83 mm5.81 mm0.73 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6491189340
Side View
Table 59.0%Crown 32°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 60.7%

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: Nov 5
Current: $4,898 USD|Low: $1,400 USD|High: $4,898 USD|Avg: $2,579 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$1,680 USD
Retailer 7$1,819 USD
Retailer 6$1,903 USD
Retailer 8$2,099 USD
Retailer 2$2,155 USD
Retailer 3$2,541 USD
Retailer 4$3,509 USD
NZ Jewellers$4,898 USD

40 data points across 8 retailers

19 retailers$1,623 USD to $3,509 USD

B+
Cheapest Retailer
-
$1,623 USD
B+
Retailer 2
-
$1,658 USD
View
B+
Retailer 3
-
$1,680 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,718 USD
View
B+
Retailer 5
-
$1,755 USD
View
Retailer 6
-
$1,819 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$1,819 USD
View
B
Retailer 8
-
$1,903 USD
View
B
Retailer 9
-
$2,099 USD
View
B
Retailer 10
-
$2,130 USD
View
B
Retailer 11
-
$2,130 USD
View
B
Retailer 12
-
$2,155 USD
View
B
Retailer 13
-
$2,200 USD
View
B
Retailer 14
-
$2,292 USD
View
B
Retailer 15
-
$2,310 USD
View
B
Retailer 16
-
$2,541 USD
View
B
Retailer 17
-
$2,694 USD
View
B
Retailer 18
-
$3,509 USD
View
Most Expensive
NZ Jewellers
aef735d3-74c7-48ed-9fb5-71570f84fdda · Nov 5
$4,898 USD
View
Price under review
18 more retailers have this diamond
Prices start from $1,623 USDSave up to $1,886 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.

B+
0.73ct Round
$1,623 USD