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Cushion|Lab Grown|IGI

1.01ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG747513189

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG747513189

Diamond specifications and retailer prices

From $189 USD
As of November 1, 2026
Save $906 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,095 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG747513189 or 747513189. Listed at 13 retailers as of November 1, 2026, with prices from $189 to $1,095, a $906 spread on the same certified stone. Reve Diamonds lists it at $1,095. 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

1.01
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747513189
Dimensions6.83 × 5.28 × 3.59 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.83 mm5.28 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747513189
Side View
Table 61.0%Crown 35.3°Girdle: MED-THKPavilion 41.7°Culet: NoneDepth 68.0%

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: Nov 1
Current: $980 USD|Low: $133 USD|High: $1,095 USD|Avg: $511 USD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 1, 2026
Retailer 12$189 USD
Retailer 11$210 USD
Retailer 7$328 USD
Retailer 5$374 USD
Retailer 10$375 USD
Retailer 6$405 USD
Retailer 4$408 USD
Retailer 8$451 USD
Retailer 9$548 USD
Retailer 3$600 USD
Retailer 2$729 USD
Retailer 1$980 USD
Reve Diamonds$1,095 USD

45 data points across 13 retailers

13 retailers$189 USD to $1,095 USD

A
Cheapest Retailer
-
$189 USD
Final sale: no returns
Retailer 2
-
$210 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$328 USD
View
A
Retailer 4
-
$374 USD
£294 GBP
View
A
Retailer 5
-
$375 USD
View
B+
Retailer 6
-
$405 USD
€386 EUR
View
Retailer 7
-
$408 USD
£321 GBP
View
Price last confirmed 18 days ago
B+
Retailer 8
-
$451 USD
View
B
Retailer 9
-
$548 USD
View
B+
Retailer 10
-
$600 USD
View
B
Retailer 11
-
$729 USD
View
B
Retailer 12
-
$980 USD
£772 GBP
View
Most Expensive
B
Reve Diamonds
7BE1E0F5D · Nov 1
$1,095 USD
View
12 more retailers have this diamond
Prices start from $189 USDSave up to $906 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
1.01ct Cushion
$189 USD