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Round|Natural|GIA

1.51ct K IF Round Natural Diamond

VG • K/IF • GIA 7398668331

Certificate GIA 7398668331

Diamond specifications and retailer prices

From $5,257 AUD
As of November 6, 2026
Save $2,221 AUD (30%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,478 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by GIA 7398668331. Listed at 7 retailers as of November 6, 2026, with prices from $5,257 to $7,478, a $2,221 spread on the same certified stone. 77 Diamonds lists it at $7,478. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
K
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7398668331
Dimensions7.19 × 7.10 × 4.58 mm
L/W Ratio1.01
Top View
7.19 mm7.10 mm1.51 ctK / IF
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7398668331
Side View
Table 58.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 64.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,478 AUD|Low: $5,188 AUD|High: $7,601 AUD|Avg: $6,364 AUD|+0.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$5,257 AUD
Retailer 3$5,364 AUD
Retailer 2$7,292 AUD
77 Diamonds$7,478 AUD

39 data points across 4 retailers

7 retailers$5,257 AUD to $7,478 AUD

A
Cheapest Retailer
-
$5,257 AUD
A
Retailer 2
-
$5,290 AUD
View
A
Retailer 3
-
$5,364 AUD
View
A
Retailer 4
-
$5,437 AUD
View
A
Retailer 5
-
$5,503 AUD
View
A
Retailer 6
-
$7,292 AUD
View
Most Expensive
A
77 Diamonds
RBMBAKTQXKGF · Nov 6
$7,478 AUD
£4,122 GBP
View
6 more retailers have this diamond
Prices start from $5,257 AUDSave up to $2,221 AUD

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
$5,257 AUD