Round|Natural|GIA

1.51ct I IF Round Natural Diamond

EX • I/IF • GIA 2546456312

Certificate GIA 2546456312

Diamond specifications and retailer prices

From $6,336 USD
HK$49,500 HKD
As of November 1, 2026
Save $5,415 USD (46%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $14,885 USD at NZ Jewellers · As of September 25, 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 2546456312. Listed at 23 retailers as of November 1, 2026, with a 85% 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 angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2546456312
Dimensions7.29 × 7.34 × 4.55 mm
L/W Ratio1.01
Top View
7.29 mm7.34 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2546456312
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.2%

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: $9,176 USD|Low: $6,336 USD|High: $12,010 USD|Avg: $8,223 USD|-1.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 3, 2026
Retailer 9$6,336 USD
Retailer 8$6,526 USD
Retailer 14$6,887 USD
Retailer 17$7,050 USD
Retailer 6$7,051 USD
Retailer 19$7,123 USD
Retailer 13$7,195 USD
Retailer 21$7,371 USD
Retailer 5$7,491 USD
Retailer 2$7,620 USD
Retailer 18$7,907 USD
Retailer 3$8,086 USD
Retailer 11$8,135 USD
Retailer 4$8,393 USD
Retailer 12$8,482 USD
Retailer 16$8,488 USD
Retailer 7$9,129 USD
Retailer 1$9,176 USD
Retailer 15$9,198 USD
Retailer 10$10,246 USD
Retailer 20$11,751 USD

19 data points across 21 retailers

23 retailers$6,336 USD to $11,751 USD

A
Cheapest Retailer
-
$6,336 USD
HK$49,500 HKD
A
Retailer 2
-
$6,526 USD
View
A
Retailer 3
-
$6,887 USD
View
A
Retailer 4
-
$7,050 USD
View
A
Retailer 5
-
$7,051 USD
View
Final sale: no returns
A
Retailer 6
-
$7,123 USD
€6,783 EUR
View
A
Retailer 7
-
$7,195 USD
View
A
Retailer 8
-
$7,371 USD
View
A
Retailer 9
-
$7,491 USD
View
A
Retailer 10
-
$7,620 USD
View
A
Retailer 11
-
$7,907 USD
£6,226 GBP
View
A
Retailer 12
-
$8,086 USD
View
Retailer 13
-
$8,132 USD
View
Price last confirmed 12 days ago
Retailer 14
-
$8,135 USD
A$12,516 AUD
View
Price last confirmed 12 days ago
A
Retailer 15
-
$8,393 USD
£6,609 GBP
View
A
Retailer 16
-
$8,482 USD
SGD 11,462 SGD
View
A
Retailer 17
-
$8,488 USD
View
A
Retailer 18
-
$9,129 USD
£7,188 GBP
View
A
Retailer 19
-
$9,176 USD
€8,739 EUR
View
Retailer 20
-
$9,198 USD
View
B+
Retailer 21
-
$10,246 USD
ZAR 165,522 ZAR
View
B+
Retailer 22
-
$11,751 USD
£9,253 GBP
View
Most Expensive
NZ Jewellers
5a35f62e-a9c3-47b5-8910-b49afe115438 · Sep 25
$14,885 USD
View
Price last confirmed 38 days ago
22 more retailers have this diamond
Prices start from $6,336 USDSave up to $5,415 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
$6,336 USD