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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6551192167

Certificate GIA 6551192167

Diamond specifications and retailer prices

From €5,546 EUR
HK$48,600 HKD
As of October 30, 2026
Save €4,878 EUR (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €10,424 EUR 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 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 6551192167. Listed at 18 retailers as of October 29, 2026, with prices from €5,546 to €10,424, a €4,878 spread on the same certified stone. MOH London lists it at €10,424. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551192167
Dimensions7.95 × 5.93 × 3.97 mm
L/W Ratio1.34
Top View
7.95 mm5.93 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551192167
Side View
Table 64.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 66.9%

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: Oct 30
Current: €10,424 EUR|Low: €5,546 EUR|High: €10,547 EUR|Avg: €7,541 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 3€5,546 EUR
Retailer 10€5,953 EUR
Retailer 14€6,053 EUR
Retailer 7€6,581 EUR
Retailer 2€6,758 EUR
Retailer 5€6,758 EUR
Retailer 4€6,867 EUR
Retailer 9€6,868 EUR
Retailer 8€7,022 EUR
Retailer 15€7,134 EUR
Retailer 6€7,599 EUR
Retailer 11€8,116 EUR
Retailer 13€9,059 EUR
Retailer 12€10,315 EUR
MOH London€10,424 EUR

29 data points across 15 retailers

18 retailers€5,546 EUR to €10,424 EUR

A
Cheapest Retailer
-
€5,546 EUR
HK$48,600 HKD
A
Retailer 2
-
€5,953 EUR
₹635,933 INR
View
B+
Retailer 3
-
€6,053 EUR
$6,789 USD
View
Retailer 4
-
€6,414 EUR
SGD 9,721 SGD
View
Price last confirmed 23 days ago
B+
Retailer 5
-
€6,581 EUR
SGD 9,975 SGD
View
B+
Retailer 6
-
€6,758 EUR
$7,580 USD
View
B+
Retailer 7
-
€6,758 EUR
$7,580 USD
View
B+
Retailer 8
-
€6,782 EUR
$7,607 USD
View
B+
Retailer 9
-
€6,867 EUR
$7,702 USD
View
Final sale: no returns
B+
Retailer 10
-
€6,868 EUR
$7,703 USD
View
B+
Retailer 11
-
€7,022 EUR
£6,202 GBP
View
Retailer 12
-
€7,134 EUR
A$12,311 AUD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
€7,550 EUR
A$13,028 AUD
View
B+
Retailer 14
-
€7,599 EUR
$8,523 USD
View
B+
Retailer 15
-
€8,116 EUR
View
B
Retailer 16
-
€9,059 EUR
ZAR 164,139 ZAR
View
B
Retailer 17
-
€10,315 EUR
£9,110 GBP
View
Most Expensive
B
MOH London
8691550C1 · Oct 29
€10,424 EUR
£9,206 GBP
View
17 more retailers have this diamond
Prices start from €5,546 EURSave up to €4,878 EUR

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
€5,546 EUR