Round|Natural|GIA

1.51ct I I1 Round Natural Diamond

EX • I/I1 • GIA 7561123346

Certificate GIA 7561123346

Diamond specifications and retailer prices

From $3,648 USD
HK$28,500 HKD
As of November 1, 2026
Save $1,829 USD (33%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,469 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 I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 7561123346. Listed at 11 retailers as of November 1, 2026, with a 50% 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
I
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7561123346
Dimensions7.25 × 7.31 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cloud, Crystal, Cavity, Needle
Top View
7.25 mm7.31 mm1.51 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561123346
Side View
Table 57.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.1%

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 1
Current: $5,477 USD|Low: $3,610 USD|High: $5,502 USD|Avg: $4,462 USD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3$3,648 USD
Retailer 2$3,864 USD
Retailer 6$4,431 USD
Retailer 4$4,861 USD
Retailer 5$4,861 USD
Retailer 1$5,477 USD

40 data points across 6 retailers

11 retailers$3,648 USD to $5,477 USD

A
Cheapest Retailer
-
$3,648 USD
HK$28,500 HKD
A
Retailer 2
-
$3,864 USD
₹367,976 INR
View
B+
Retailer 3
-
$4,431 USD
View
Retailer 4
-
$4,861 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$4,861 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$4,861 USD
View
Retailer 7
-
$4,861 USD
View
Price last confirmed 35 days ago
Retailer 8
-
$4,861 USD
View
Price last confirmed 33 days ago
B
Retailer 9
-
$5,477 USD
€5,216 EUR
View
Retailer 10
-
$5,609 USD
View
Price last confirmed 33 days ago
Most Expensive
NZ Jewellers
6adc690e-a454-464f-90e8-9180a4632b3d · Sep 27
$8,469 USD
View
Price last confirmed 36 days ago
10 more retailers have this diamond
Prices start from $3,648 USDSave up to $1,829 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
$3,648 USD