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Cushion|Lab Grown|GIA

3.66ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • GIA 1515119937

Certificate GIA 1515119937

Diamond specifications and retailer prices

From ₹1,30,311 INR
$1,373 USD
As of November 1, 2026
Save ₹3,98,184 INR (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: ₹5,28,495 INR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.66ct lab-grown cushion diamond

This 3.66ct lab-grown cushion sits in the three to five 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 1515119937. Listed at 11 retailers as of October 31, 2026, with prices from ₹1,30,311 to ₹5,28,495, a ₹3,98,184 spread on the same certified stone. Taylor and Hart lists it at ₹5,28,495. 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

3.66
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1515119937
Dimensions9.72 × 8.31 × 5.60 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This is a man-made diamond produced by CVD (Chemical Vapor Deposition) growth process and has evidence of post-growth treatments to change the color.
Key to symbols
Growth Remnant
Top View
9.72 mm8.31 mm3.66 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1515119937
Side View
Table 63.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 67.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: ₹2,20,737 INR|Low: ₹1,30,311 INR|High: ₹5,28,495 INR|Avg: ₹2,37,543 INR|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 2, 2026
Retailer 10₹1,30,311 INR
Retailer 9₹1,37,525 INR
Retailer 8₹1,51,381 INR
Retailer 2₹1,61,347 INR
Retailer 6₹1,73,723 INR
Retailer 3₹1,95,063 INR
Retailer 4₹2,07,780 INR
Retailer 1₹2,20,737 INR
Retailer 7₹3,70,901 INR
Retailer 5₹4,78,888 INR
Taylor and Hart₹5,28,495 INR

14 data points across 11 retailers

11 retailers₹1,30,311 INR to ₹5,28,495 INR

A
Cheapest Retailer
-
₹1,30,311 INR
$1,373 USD
Final sale: no returns
A
Retailer 2
-
₹1,37,525 INR
$1,449 USD
View
B+
Retailer 3
-
₹1,51,381 INR
$1,595 USD
View
Retailer 4
-
₹1,61,347 INR
$1,700 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
₹1,73,723 INR
HK$14,300 HKD
View
B+
Retailer 6
-
₹1,95,063 INR
£1,618 GBP
View
B+
Retailer 7
-
₹2,07,780 INR
£1,724 GBP
View
B+
Retailer 8
-
₹2,20,737 INR
€2,215 EUR
View
B
Retailer 9
-
₹3,70,901 INR
$3,908 USD
View
B
Retailer 10
-
₹4,78,888 INR
£3,973 GBP
View
Most Expensive
B
Taylor and Hart
OADXSED · Oct 31
₹5,28,495 INR
$5,568 USD
View
10 more retailers have this diamond
Prices start from ₹1,30,311 INRSave up to ₹3,98,184 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
3.66ct Cushion
₹1,30,311 INR