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Cushion|Natural|GIA

1.51ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 2556664337

Certificate GIA 2556664337

Diamond specifications and retailer prices

From ₹4,36,130 INR
HK$35,900 HKD
As of November 1, 2026
Save ₹4,88,981 INR (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: ₹9,25,111 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 F 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 2556664337. Listed at 19 retailers as of October 28, 2026, with prices from ₹4,36,130 to ₹9,25,111, a ₹4,88,981 spread on the same certified stone. Queensmith lists it at ₹9,25,111. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556664337
Dimensions7.67 × 5.90 × 4.08 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.67 mm5.90 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556664337
Side View
Table 70.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.2%

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: ₹9,25,111 INR|Low: ₹4,32,486 INR|High: ₹9,32,344 INR|Avg: ₹6,06,227 INR|+1.9%
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
Retailer 14
November 3, 2026
Retailer 12₹4,36,130 INR
Retailer 7₹4,65,260 INR
Retailer 13₹4,86,129 INR
Retailer 14₹4,97,182 INR
Retailer 6₹5,13,547 INR
Retailer 4₹5,36,526 INR
Retailer 8₹5,43,836 INR
Retailer 2₹5,57,675 INR
Retailer 5₹5,96,155 INR
Retailer 3₹6,08,088 INR
Retailer 9₹6,34,905 INR
Retailer 11₹7,14,185 INR
Retailer 10₹8,56,406 INR
Queensmith₹9,25,111 INR

24 data points across 14 retailers

19 retailers₹4,36,130 INR to ₹9,25,111 INR

A
Cheapest Retailer
-
₹4,36,130 INR
HK$35,900 HKD
A
Retailer 2
-
₹4,65,260 INR
View
A
Retailer 3
-
₹4,86,129 INR
$5,122 USD
View
Retailer 4
-
₹4,97,182 INR
SGD 7,079 SGD
View
Price last confirmed 7 days ago
A
Retailer 5
-
₹5,13,547 INR
SGD 7,312 SGD
View
B+
Retailer 6
-
₹5,33,964 INR
$5,626 USD
View
B+
Retailer 7
-
₹5,34,343 INR
$5,630 USD
View
B+
Retailer 8
-
₹5,36,526 INR
$5,653 USD
View
Final sale: no returns
B+
Retailer 9
-
₹5,43,836 INR
£4,512 GBP
View
B+
Retailer 10
-
₹5,57,675 INR
£4,627 GBP
View
Retailer 11
-
₹5,81,374 INR
A$9,424 AUD
View
Price last confirmed 30 days ago
Retailer 12
-
₹5,85,025 INR
$6,164 USD
View
Price last confirmed 18 days ago
B+
Retailer 13
-
₹5,93,349 INR
A$9,618 AUD
View
B+
Retailer 14
-
₹5,96,155 INR
$6,281 USD
View
B+
Retailer 15
-
₹6,08,088 INR
$6,407 USD
View
B+
Retailer 16
-
₹6,34,905 INR
€6,371 EUR
View
B
Retailer 17
-
₹7,14,185 INR
ZAR 121,565 ZAR
View
B
Retailer 18
-
₹8,56,406 INR
£7,105 GBP
View
Most Expensive
B
Queensmith
2556664337 · Oct 28
₹9,25,111 INR
£7,675 GBP
View
18 more retailers have this diamond
Prices start from ₹4,36,130 INRSave up to ₹4,88,981 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
₹4,36,130 INR