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Cushion|Lab Grown|IGI

3.53ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG633406178

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG633406178

Diamond specifications and retailer prices

From $568 USD
As of November 1, 2026
Save $3,942 USD (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,510 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.53ct lab-grown cushion diamond

This 3.53ct 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 and certified by IGI LG633406178 or 633406178. Listed at 9 retailers as of November 1, 2026, with prices from $568 to $4,510, a $3,942 spread on the same certified stone. Do Amore Diamonds lists it at $4,510. 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

3.53
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633406178
Dimensions9.56 × 8.57 × 5.80 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.56 mm8.57 mm3.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633406178
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 67.7%

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: $4,510 USD|Low: $568 USD|High: $6,260 USD|Avg: $2,706 USD
Do Amore Diamonds
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
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Retailer 16
November 1, 2026
Retailer 14$568 USD
Retailer 15$832 USD
Retailer 13$932 USD
Retailer 4$973 USD
Retailer 11$977 USD
Retailer 9$980 USD
Retailer 16$1,585 USD
Retailer 12$2,402 USD
Retailer 3$2,528 USD
Retailer 10$2,940 USD
Retailer 2$3,019 USD
Retailer 7$4,465 USD
Do Amore Diamonds$4,510 USD
Retailer 6$4,650 USD
Retailer 8$4,650 USD
Retailer 5$6,260 USD

21 data points across 16 retailers

9 retailers$568 USD to $4,510 USD

A
Cheapest Retailer
-
$568 USD
Final sale: no returns
A
Retailer 2
-
$832 USD
HK$6,500 HKD
View
A
Retailer 3
-
$932 USD
View
B+
Retailer 4
-
$977 USD
View
A
Retailer 5
-
$980 USD
View
B
Retailer 6
-
$2,402 USD
SGD 3,246 SGD
View
B
Retailer 7
-
$2,940 USD
View
B
Retailer 8
-
$3,019 USD
£2,377 GBP
View
Most Expensive
B
Do Amore Diamonds
27-380DAF346 · Nov 2
$4,510 USD
View
8 more retailers have this diamond
Prices start from $568 USDSave up to $3,942 USD

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
3.53ct Cushion
$568 USD