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Cushion|Lab Grown|IGI

6.50ct E SI2 Cushion Lab Grown Diamond

EX • E/SI2 • IGI LG805690078

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG805690078

Diamond specifications and retailer prices

From $1,538 SGD
$1,203 USD
As of October 29, 2026
Save $14,133 SGD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $15,671 SGD at Mervis Diamond Importers · As of October 29, 2026
View at Mervis Diamond Importers

About this 6.5ct lab-grown cushion diamond

This 6.5ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805690078 or 805690078. Listed at 11 retailers as of October 29, 2026, with prices from $1,538 to $15,671, a $14,133 spread on the same certified stone. Mervis Diamond Importers lists it at $15,671. 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

6.50
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805690078
Dimensions14.03 × 9.75 × 6.14 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.03 mm9.75 mm6.50 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805690078
Side View
Table 61.0%Crown 31°Girdle: MED-STKPavilion 33.3°Culet: NoneDepth 63.0%

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: Oct 29
Current: $15,671 SGD|Low: $1,538 SGD|High: $17,214 SGD|Avg: $4,833 SGD|-9.0%
Mervis Diamond Importers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 11$1,538 SGD
Retailer 9$1,593 SGD
Retailer 10$2,196 SGD
Retailer 4$2,242 SGD
Retailer 2$2,545 SGD
Retailer 6$2,967 SGD
Retailer 3$4,314 SGD
Retailer 5$5,657 SGD
Retailer 7$6,086 SGD
Retailer 8$7,018 SGD
Mervis Diamond Importers$15,671 SGD

40 data points across 11 retailers

11 retailers$1,538 SGD to $15,671 SGD

A
Cheapest Retailer
-
$1,538 SGD
$1,203 USD
Final sale: no returns
Retailer 2
-
$1,593 SGD
$1,246 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$2,196 SGD
$1,718 USD
View
B+
Retailer 4
-
$2,242 SGD
$1,754 USD
View
B+
Retailer 5
-
$2,545 SGD
£1,568 GBP
View
B+
Retailer 6
-
$2,967 SGD
$2,321 USD
View
B
Retailer 7
-
$4,314 SGD
$3,375 USD
View
B
Retailer 8
-
$5,657 SGD
£3,484 GBP
View
B
Retailer 9
-
$6,086 SGD
$4,761 USD
View
Retailer 10
-
$7,018 SGD
$5,490 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Mervis Diamond Importers
1985410064 · Oct 29
$15,671 SGD
$12,258 USD
View
10 more retailers have this diamond
Prices start from $1,538 SGDSave up to $14,133 SGD

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
6.50ct Cushion
$1,538 SGD