CaratHunter
Plans
Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6551192167

Certificate GIA 6551192167

Diamond specifications and retailer prices

From $7,953 SGD
HK$48,600 HKD
As of October 30, 2026
Save $6,994 SGD (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,947 SGD 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 $7,953 to $14,947, a $6,994 spread on the same certified stone. MOH London lists it at $14,947. 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: $14,947 SGD|Low: $7,953 SGD|High: $15,124 SGD|Avg: $10,812 SGD|-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$7,953 SGD
Retailer 10$8,536 SGD
Retailer 14$8,679 SGD
Retailer 7$9,437 SGD
Retailer 2$9,690 SGD
Retailer 5$9,690 SGD
Retailer 4$9,846 SGD
Retailer 9$9,848 SGD
Retailer 8$10,069 SGD
Retailer 15$10,230 SGD
Retailer 6$10,895 SGD
Retailer 11$11,638 SGD
Retailer 13$12,989 SGD
Retailer 12$14,791 SGD
MOH London$14,947 SGD

29 data points across 15 retailers

18 retailers$7,953 SGD to $14,947 SGD

A
Cheapest Retailer
-
$7,953 SGD
HK$48,600 HKD
A
Retailer 2
-
$8,536 SGD
₹635,933 INR
View
B+
Retailer 3
-
$8,679 SGD
$6,789 USD
View
Retailer 4
-
$9,196 SGD
View
Price last confirmed 22 days ago
B+
Retailer 5
-
$9,437 SGD
View
B+
Retailer 6
-
$9,690 SGD
$7,580 USD
View
B+
Retailer 7
-
$9,690 SGD
$7,580 USD
View
B+
Retailer 8
-
$9,725 SGD
$7,607 USD
View
B+
Retailer 9
-
$9,846 SGD
$7,702 USD
View
Final sale: no returns
B+
Retailer 10
-
$9,848 SGD
$7,703 USD
View
B+
Retailer 11
-
$10,069 SGD
£6,202 GBP
View
Retailer 12
-
$10,230 SGD
A$12,311 AUD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$10,826 SGD
A$13,028 AUD
View
B+
Retailer 14
-
$10,895 SGD
$8,523 USD
View
B+
Retailer 15
-
$11,638 SGD
€8,670 EUR
View
B
Retailer 16
-
$12,989 SGD
ZAR 164,139 ZAR
View
B
Retailer 17
-
$14,791 SGD
£9,110 GBP
View
Most Expensive
B
MOH London
8691550C1 · Oct 29
$14,947 SGD
£9,206 GBP
View
17 more retailers have this diamond
Prices start from $7,953 SGDSave up to $6,994 SGD

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
$7,953 SGD