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Cushion|Natural|IGI

1.51ct H I1 Cushion Natural Diamond

VG • H/I1 • IGI 696516015

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI 696516015

Diamond specifications and retailer prices

From $2,496 AUD
$1,749 USD
As of November 1, 2026
Save $381 AUD (13%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,876 AUD at DreamStone · As of October 31, 2026
View at DreamStone

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 696516015. Listed at 3 retailers as of October 31, 2026, with prices from $2,496 to $2,876, a $381 spread on the same certified stone. DreamStone lists it at $2,876. 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
H
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle34.5°
OriginNatural
Grading LabIGI
CertificateIGI 696516015
Dimensions6.40 × 6.16 × 4.18 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Top View
6.40 mm6.16 mm1.51 ctH / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 696516015
Side View
Table 66.0%Crown 38.6°Girdle: MediumPavilion 34.5°Culet: NoneDepth 67.9%

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: $2,876 AUD|Low: $2,496 AUD|High: $3,746 AUD|Avg: $3,083 AUD
DreamStone
Retailer 2
Retailer 3
Retailer 4
Retailer 5
September 27, 2026
Retailer 3$2,496 AUD
Retailer 2$2,740 AUD
DreamStone$2,876 AUD
Retailer 4$3,261 AUD
Retailer 5$3,746 AUD

3 data points across 5 retailers

3 retailers$2,496 AUD to $2,876 AUD

A
Cheapest Retailer
-
$2,496 AUD
$1,749 USD
B+
Retailer 2
-
$2,740 AUD
$1,920 USD
View
Most Expensive
B+
DreamStone
68a4dff848400c2cf922c854 · Oct 31
$2,876 AUD
$2,016 USD
View
2 more retailers have this diamond
Prices start from $2,496 AUDSave up to $381 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 Cushion
$2,496 AUD