CaratHunter
Plans
Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2556718809

Certificate GIA 2556718809

Diamond specifications and retailer prices

From $7,580 AUD
HK$41,600 HKD
As of October 30, 2026
Save $7,362 AUD (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $14,942 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556718809. Listed at 10 retailers as of October 26, 2026, with prices from $7,580 to $14,942, a $7,362 spread on the same certified stone. Wholesale Diamonds Direct lists it at $14,942. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556718809
Dimensions7.29 × 7.33 × 4.58 mm
L/W Ratio1.01
Top View
7.29 mm7.33 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556718809
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

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: Oct 30
Current: $9,051 AUD|Low: $7,580 AUD|High: $15,446 AUD|Avg: $9,676 AUD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 31, 2026
Retailer 8$7,580 AUD
Retailer 3$7,711 AUD
Retailer 2$8,127 AUD
Retailer 7$8,780 AUD
Retailer 9$8,828 AUD
Retailer 4$9,026 AUD
Retailer 1$9,051 AUD
Retailer 6$10,610 AUD
Retailer 5$10,652 AUD
Wholesale Diamonds Direct$14,942 AUD

30 data points across 10 retailers

10 retailers$7,580 AUD to $14,942 AUD

A
Cheapest Retailer
-
$7,580 AUD
HK$41,600 HKD
A
Retailer 2
-
$7,711 AUD
₹515,847 INR
View
A
Retailer 3
-
$8,127 AUD
$5,709 USD
View
Final sale: no returns
A
Retailer 4
-
$8,780 AUD
SGD 8,334 SGD
View
Retailer 5
-
$8,828 AUD
SGD 8,380 SGD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$9,026 AUD
$6,340 USD
View
A
Retailer 7
-
$9,051 AUD
$6,358 USD
View
A
Retailer 8
-
$10,610 AUD
£5,868 GBP
View
A
Retailer 9
-
$10,652 AUD
€7,126 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
436402900 · Oct 26
$14,942 AUD
$10,496 USD
View
9 more retailers have this diamond
Prices start from $7,580 AUDSave up to $7,362 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
$7,580 AUD