Cushion|Lab Grown|IGI

0.60ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG660409087

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG660409087

Diamond specifications and retailer prices

From $245 USD
As of October 28, 2026
Save $312 USD (56%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $557 USD at Riddles Jewelry · As of October 29, 2026
View at Riddles Jewelry

About this 0.6ct lab-grown cushion diamond

This 0.6ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660409087 or 660409087. Listed at 4 retailers as of October 28, 2026, with prices from $245 to $557, a $312 spread on the same certified stone. Riddles Jewelry lists it at $557. 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

0.60
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660409087
Dimensions5.64 × 4.58 × 3.02 mm
L/W Ratio1.23
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.64 mm4.58 mm0.60 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660409087
Side View
Table 62.0%Crown 36°Girdle: MediumPavilion 38.7°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $472 USD|Low: $230 USD|High: $557 USD|Avg: $406 USD|+8.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Riddles Jewelry
October 19, 2026
Retailer 3$245 USD
Retailer 2$285 USD
Retailer 1$472 USD
Retailer 4$530 USD
Riddles Jewelry$557 USD

7 data points across 5 retailers

4 retailers$245 USD to $557 USD

A
Cheapest Retailer
-
$245 USD
B+
Retailer 2
-
$285 USD
View
B
Retailer 3
-
$472 USD
CA$655 CAD
View
Most Expensive
B
Riddles Jewelry
1966217238 · Oct 29
$557 USD
View
3 more retailers have this diamond
Prices start from $245 USDSave up to $312 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
0.60ct Cushion
$245 USD