Cushion|Natural|GIA

1.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 5212917870

Certificate GIA 5212917870

Diamond specifications and retailer prices

From $5,972 CAD
$4,275 USD
As of October 30, 2026
Save $6,668 CAD (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $12,640 CAD at MOH London · As of October 29, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5212917870. Listed at 24 retailers as of October 29, 2026, with prices from $5,972 to $12,640, a $6,668 spread on the same certified stone. MOH London lists it at $12,640. 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

1.50
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5212917870
Dimensions6.22 × 6.14 × 4.53 mm
L/W Ratio1.01
Top View
6.22 mm6.14 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5212917870
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 73.8%

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: $12,640 CAD|Low: $6,287 CAD|High: $12,724 CAD|Avg: $8,267 CAD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8$6,287 CAD
Retailer 6$6,328 CAD
Retailer 9$7,151 CAD
Retailer 4$7,460 CAD
Retailer 3$7,701 CAD
Retailer 7$7,936 CAD
Retailer 2$8,932 CAD
Retailer 5$9,612 CAD
MOH London$12,640 CAD

34 data points across 9 retailers

24 retailers$5,972 CAD to $12,640 CAD

A
Cheapest Retailer
-
$5,972 CAD
$4,275 USD
A
Retailer 2
-
$6,167 CAD
$4,415 USD
View
A
Retailer 3
-
$6,236 CAD
$4,464 USD
View
B+
Retailer 4
-
$6,287 CAD
$4,501 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,314 CAD
$4,520 USD
View
A
Retailer 6
-
$6,328 CAD
$4,530 USD
View
B+
Retailer 7
-
$6,705 CAD
View
B+
Retailer 8
-
$6,716 CAD
$4,808 USD
View
B+
Retailer 9
-
$6,719 CAD
$4,810 USD
View
B+
Retailer 10
-
$7,151 CAD
$5,119 USD
View
B+
Retailer 11
-
$7,460 CAD
£4,205 GBP
View
B+
Retailer 12
-
$7,514 CAD
$5,379 USD
View
B+
Retailer 13
-
$7,535 CAD
$5,394 USD
View
B+
Retailer 14
-
$7,701 CAD
£4,341 GBP
View
Retailer 15
-
$7,936 CAD
A$8,740 AUD
View
Price last confirmed 14 days ago
B+
Retailer 16
-
$8,004 CAD
$5,730 USD
View
B+
Retailer 17
-
$8,004 CAD
$5,730 USD
View
B
Retailer 18
-
$8,270 CAD
$5,920 USD
View
Retailer 19
-
$8,708 CAD
$6,234 USD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
$8,932 CAD
€6,090 EUR
View
B
Retailer 21
-
$9,094 CAD
$6,510 USD
View
B
Retailer 22
-
$9,612 CAD
ZAR 111,164 ZAR
View
B
Retailer 23
-
$11,432 CAD
$8,184 USD
View
Most Expensive
B
MOH London
8641C0CA0 · Oct 29
$12,640 CAD
£7,125 GBP
View
23 more retailers have this diamond
Prices start from $5,972 CADSave up to $6,668 CAD

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
1.50ct Cushion
$5,972 CAD