Cushion|Natural|GIA

1.51ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 6555094950

Certificate GIA 6555094950

Diamond specifications and retailer prices

From ₹5,03,159 INR
HK$41,400 HKD
As of November 1, 2026
Save ₹4,90,474 INR (49%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: ₹9,93,633 INR at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.51ct natural cushion diamond

This 1.51ct 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 6555094950. Listed at 18 retailers as of October 28, 2026, with prices from ₹5,03,159 to ₹9,93,633, a ₹4,90,474 spread on the same certified stone. Queensmith lists it at ₹9,93,633. 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

1.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555094950
Dimensions7.66 × 5.89 × 4.00 mm
L/W Ratio1.30
Top View
7.66 mm5.89 mm1.51 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555094950
Side View
Table 68.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.9%

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: Nov 1
Current: ₹9,93,633 INR|Low: ₹4,99,513 INR|High: ₹10,06,897 INR|Avg: ₹7,06,805 INR|+1.2%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9₹5,03,159 INR
Retailer 6₹5,36,329 INR
Retailer 3₹5,60,965 INR
Retailer 5₹5,92,949 INR
Retailer 11₹6,12,902 INR
Retailer 2₹6,36,845 INR
Retailer 12₹6,50,408 INR
Retailer 4₹6,51,166 INR
Retailer 13₹6,79,303 INR
Retailer 10₹7,25,598 INR
Retailer 8₹8,15,878 INR
Retailer 7₹9,78,318 INR
Queensmith₹9,93,633 INR

28 data points across 13 retailers

18 retailers₹5,03,159 INR to ₹9,93,633 INR

A
Cheapest Retailer
-
₹5,03,159 INR
HK$41,400 HKD
A
Retailer 2
-
₹5,36,329 INR
View
A
Retailer 3
-
₹5,60,965 INR
$5,908 USD
View
Retailer 4
-
₹5,77,843 INR
SGD 8,224 SGD
View
Price last confirmed 18 days ago
A
Retailer 5
-
₹5,92,949 INR
SGD 8,439 SGD
View
A
Retailer 6
-
₹6,12,902 INR
$6,455 USD
View
Final sale: no returns
B+
Retailer 7
-
₹6,16,510 INR
$6,493 USD
View
B+
Retailer 8
-
₹6,16,700 INR
$6,495 USD
View
Retailer 9
-
₹6,23,157 INR
$6,563 USD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
₹6,36,845 INR
£5,281 GBP
View
B+
Retailer 11
-
₹6,50,408 INR
$6,850 USD
View
Retailer 12
-
₹6,51,166 INR
A$10,551 AUD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
₹6,79,303 INR
$7,154 USD
View
B+
Retailer 14
-
₹7,04,073 INR
A$11,408 AUD
View
B+
Retailer 15
-
₹7,25,598 INR
€7,278 EUR
View
B+
Retailer 16
-
₹8,15,878 INR
ZAR 138,816 ZAR
View
B
Retailer 17
-
₹9,78,318 INR
£8,113 GBP
View
Most Expensive
B
Queensmith
6555094950 · Oct 28
₹9,93,633 INR
£8,240 GBP
View
17 more retailers have this diamond
Prices start from ₹5,03,159 INRSave up to ₹4,90,474 INR

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
1.51ct Cushion
₹5,03,159 INR