Cushion|Lab Grown|IGI

1.07ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG837678319

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG837678319

Diamond specifications and retailer prices

From $251 USD
As of October 30, 2026
Save $959 USD (79%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,210 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.07ct lab-grown cushion diamond

This 1.07ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG837678319 or 837678319. Listed at 7 retailers as of October 29, 2026, with prices from $251 to $1,210, a $959 spread on the same certified stone. Do Amore Diamonds lists it at $1,210. 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

1.07
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837678319
Dimensions6.04 × 6.04 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.04 mm6.04 mm1.07 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837678319
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 66.2%

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: Oct 30
Current: $1,210 USD|Low: $251 USD|High: $1,790 USD|Avg: $613 USD|-0.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6$251 USD
Retailer 2$274 USD
Retailer 3$290 USD
Retailer 4$402 USD
Retailer 7$505 USD
Retailer 5$1,049 USD
Do Amore Diamonds$1,210 USD

20 data points across 7 retailers

7 retailers$251 USD to $1,210 USD

A
Cheapest Retailer
-
$251 USD
B+
Retailer 2
-
$274 USD
View
A
Retailer 3
-
$290 USD
£228 GBP
View
A
Retailer 4
-
$402 USD
£316 GBP
View
B+
Retailer 5
-
$505 USD
View
B
Retailer 6
-
$1,049 USD
£826 GBP
View
Most Expensive
B
Do Amore Diamonds
36-1991085 · Oct 29
$1,210 USD
View
6 more retailers have this diamond
Prices start from $251 USDSave up to $959 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
1.07ct Cushion
$251 USD