Round|Natural|GIA

1.51ct I IF Round Natural Diamond

EX • I/IF • GIA 6542428287

Certificate GIA 6542428287

Diamond specifications and retailer prices

From $7,429 USD
As of November 4, 2026
Save $4,517 USD (38%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $14,672 USD at NZ Jewellers · As of September 1, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6542428287. Listed at 22 retailers as of November 4, 2026, with a 61% 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6542428287
Dimensions7.27 × 7.31 × 4.55 mm
L/W Ratio1.01
Top View
7.27 mm7.31 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542428287
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 4
Current: $10,486 USD|Low: $6,248 USD|High: $12,148 USD|Avg: $8,643 USD|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 12$7,429 USD
Retailer 9$7,517 USD
Retailer 7$7,874 USD
Retailer 3$7,900 USD
Retailer 11$7,933 USD
Retailer 5$7,961 USD
Retailer 10$8,136 USD
Retailer 2$8,633 USD
Retailer 13$8,780 USD
Retailer 6$8,831 USD
Retailer 4$9,296 USD
Retailer 1$10,486 USD
Retailer 8$11,946 USD

41 data points across 13 retailers

22 retailers$7,429 USD to $11,946 USD

A
Cheapest Retailer
-
$7,429 USD
A
Retailer 2
-
$7,517 USD
View
A
Retailer 3
-
$7,874 USD
View
A
Retailer 4
-
$7,900 USD
View
A
Retailer 5
-
$7,933 USD
View
Final sale: no returns
Retailer 6
-
$7,934 USD
View
Price last confirmed 21 days ago
Retailer 7
-
$8,136 USD
View
Price last confirmed 15 days ago
Retailer 8
-
$8,595 USD
View
Price last confirmed 29 days ago
Retailer 9
-
$8,625 USD
View
Price last confirmed 43 days ago
A
Retailer 10
-
$8,633 USD
View
Retailer 11
-
$8,727 USD
View
Price last confirmed 22 days ago
A
Retailer 12
-
$8,780 USD
View
A
Retailer 13
-
$8,831 USD
View
B+
Retailer 14
-
$9,296 USD
View
Retailer 15
-
$9,917 USD
View
Price last confirmed 28 days ago
Retailer 16
-
$9,951 USD
View
Price last confirmed 45 days ago
Retailer 17
-
$10,122 USD
View
Price last confirmed 67 days ago
B+
Retailer 18
-
$10,486 USD
View
B+
Retailer 19
-
$11,946 USD
View
Retailer 20
-
$14,375 USD
View
Price last confirmed 34 days ago
Retailer 21
-
$14,425 USD
View
Price last confirmed 42 days ago
Most Expensive
NZ Jewellers
d6eaf69a-94f9-4a94-940a-7acf32defcc0 · Sep 1
$14,672 USD
View
Price last confirmed 65 days ago
21 more retailers have this diamond
Prices start from $7,429 USDSave up to $4,517 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
$7,429 USD