Cushion|Natural|GIA

1.50ct I SI1 Cushion Natural Diamond

VG • I/SI1 • GIA 6341834366

Certificate GIA 6341834366

Diamond specifications and retailer prices

From $5,870 USD
As of October 31, 2026
Save $5,138 USD (47%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $11,008 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6341834366. Listed at 23 retailers as of October 31, 2026, with prices from $5,870 to $11,008, a $5,138 spread on the same certified stone. MOH London lists it at $11,008. 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

1.50
Carat
I
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6341834366
Dimensions6.74 × 6.48 × 4.39 mm
L/W Ratio1.04
Top View
6.74 mm6.48 mm1.50 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6341834366
Side View
Table 60.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $11,008 USD|Low: $5,729 USD|High: $11,142 USD|Avg: $7,591 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$5,870 USD
Retailer 7$5,955 USD
Retailer 9$6,241 USD
Retailer 10$6,605 USD
Retailer 11$6,606 USD
Retailer 8$6,661 USD
Retailer 2$7,447 USD
Retailer 6$7,616 USD
Retailer 5$8,632 USD
Retailer 4$9,704 USD
MOH London$11,008 USD

43 data points across 11 retailers

23 retailers$5,870 USD to $11,008 USD

B+
Cheapest Retailer
-
$5,870 USD
Retailer 2
-
$5,955 USD
View
Price last confirmed 14 days ago
B
Retailer 3
-
$6,118 USD
View
B
Retailer 4
-
$6,137 USD
A$9,442 AUD
View
B
Retailer 5
-
$6,241 USD
View
B
Retailer 6
-
$6,328 USD
View
B
Retailer 7
-
$6,605 USD
View
Final sale: no returns
B
Retailer 8
-
$6,606 USD
View
B
Retailer 9
-
$6,620 USD
View
B
Retailer 10
-
$6,661 USD
View
B
Retailer 11
-
$7,033 USD
View
B
Retailer 12
-
$7,266 USD
A$11,178 AUD
View
B
Retailer 13
-
$7,289 USD
View
B
Retailer 14
-
$7,447 USD
£5,864 GBP
View
B
Retailer 15
-
$7,465 USD
CA$10,368 CAD
View
Retailer 16
-
$7,616 USD
A$11,717 AUD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$7,800 USD
View
B
Retailer 18
-
$7,800 USD
View
B
Retailer 19
-
$8,060 USD
View
B
Retailer 20
-
$8,632 USD
€8,221 EUR
View
Retailer 21
-
$8,702 USD
View
Price last confirmed 9 days ago
B
Retailer 22
-
$9,704 USD
ZAR 156,770 ZAR
View
Most Expensive
B
MOH London
3474A897C · Nov 1
$11,008 USD
£8,668 GBP
View
22 more retailers have this diamond
Prices start from $5,870 USDSave up to $5,138 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.

B+
1.50ct Cushion
$5,870 USD