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Round|Natural|GIA

1.51ct D I1 Round Natural Diamond

VG • D/I1 • GIA 6551703440

Certificate GIA 6551703440

Diamond specifications and retailer prices

From $5,922 AUD
HK$32,500 HKD
As of November 1, 2026
Save $7,111 AUD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $13,034 AUD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 6551703440. Listed at 11 retailers as of October 26, 2026, with prices from $5,922 to $13,034, a $7,111 spread on the same certified stone. Wholesale Diamonds Direct lists it at $13,034. 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
D
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6551703440
Dimensions7.07 × 7.16 × 4.63 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Knot, Needle, Indented Natural
Top View
7.07 mm7.16 mm1.51 ctD / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551703440
Side View
Table 57.0%Crown 37.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 65.0%

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: $6,034 AUD|Low: $5,868 AUD|High: $14,478 AUD|Avg: $9,017 AUD|-12.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6$5,922 AUD
Retailer 1$6,034 AUD
Retailer 5$6,667 AUD
Retailer 3$6,967 AUD
Retailer 4$7,643 AUD
Retailer 2$8,611 AUD
Retailer 9$8,657 AUD
Retailer 7$8,819 AUD
Retailer 8$12,783 AUD

45 data points across 9 retailers

11 retailers$5,922 AUD to $13,034 AUD

A
Cheapest Retailer
-
$5,922 AUD
HK$32,500 HKD
A
Retailer 2
-
$6,034 AUD
₹403,681 INR
View
B+
Retailer 3
-
$6,667 AUD
$4,683 USD
View
A
Retailer 4
-
$6,967 AUD
$4,894 USD
View
B+
Retailer 5
-
$7,643 AUD
$5,369 USD
View
B+
Retailer 6
-
$8,611 AUD
€5,761 EUR
View
B+
Retailer 7
-
$8,657 AUD
$6,081 USD
View
B+
Retailer 8
-
$8,657 AUD
$6,081 USD
View
B+
Retailer 9
-
$8,819 AUD
$6,195 USD
View
B
Retailer 10
-
$12,783 AUD
$8,979 USD
View
Most Expensive
B
Wholesale Diamonds Direct
257502714 · Oct 26
$13,034 AUD
$9,155 USD
View
10 more retailers have this diamond
Prices start from $5,922 AUDSave up to $7,111 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
$5,922 AUD