Cushion|Natural|GIA

0.78ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 7548991202

Certificate GIA 7548991202

Diamond specifications and retailer prices

From $722 USD
As of October 30, 2026
Save $427 USD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,149 USD at GemTrove · As of October 31, 2026
View at GemTrove

About this 0.78ct natural cushion diamond

This 0.78ct natural cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7548991202. Listed at 9 retailers as of October 30, 2026, with prices from $722 to $1,149, a $427 spread on the same certified stone. GemTrove lists it at $1,149. 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

0.78
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7548991202
Dimensions5.14 × 5.11 × 3.43 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal
Top View
5.14 mm5.11 mm0.78 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7548991202
Side View
Table 62.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 67.1%

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: $1,149 USD|Low: $663 USD|High: $1,149 USD|Avg: $949 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 8$722 USD
Retailer 5$870 USD
Retailer 7$896 USD
Retailer 6$902 USD
Retailer 2$902 USD
Retailer 3$970 USD
Retailer 9$970 USD
Retailer 4$1,000 USD
GemTrove$1,149 USD

33 data points across 9 retailers

9 retailers$722 USD to $1,149 USD

A
Cheapest Retailer
-
$722 USD
Final sale: no returns
A
Retailer 2
-
$870 USD
View
A
Retailer 3
-
$896 USD
SGD 1,211 SGD
View
A
Retailer 4
-
$902 USD
View
A
Retailer 5
-
$902 USD
£711 GBP
View
A
Retailer 6
-
$970 USD
View
A
Retailer 7
-
$970 USD
View
A
Retailer 8
-
$1,000 USD
View
Most Expensive
A
GemTrove
GT-N-00957435-98 · Oct 31
$1,149 USD
A$1,768 AUD
View
8 more retailers have this diamond
Prices start from $722 USDSave up to $427 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
0.78ct Cushion
$722 USD