Round|Natural|GIA

1.51ct L I1 Round Natural Diamond

EX • L/I1 • GIA 6432817009

Certificate GIA 6432817009

Diamond specifications and retailer prices

From $1,966 USD
As of November 5, 2026
Save $1,002 USD (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,003 USD at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6432817009. Listed at 7 retailers as of November 5, 2026, with a 51% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
L
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6432817009
Dimensions7.33 × 7.36 × 4.51 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.33 mm7.36 mm1.51 ctL / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6432817009
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.4%

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: Nov 5
Current: $1,966 USD|Low: $1,966 USD|High: $2,996 USD|Avg: $2,400 USD|-1.4%
Retailer 1
Retailer 2
Retailer 3
November 5, 2026
Retailer 1$1,966 USD
Retailer 3$2,162 USD
Retailer 2$2,968 USD

44 data points across 3 retailers

7 retailers$1,966 USD to $2,968 USD

A
Cheapest Retailer
-
$1,966 USD
B+
Retailer 2
-
$2,162 USD
View
Retailer 3
-
$2,393 USD
View
Price last confirmed 29 days ago
Retailer 4
-
$2,504 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$2,761 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$2,968 USD
View
Most Expensive
NZ Jewellers
884f82a5-d11e-4981-a810-4a08ba891b3c · Sep 27
$5,003 USD
View
Price last confirmed 40 days ago
6 more retailers have this diamond
Prices start from $1,966 USDSave up to $1,002 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
1.51ct Round
$1,966 USD