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Cushion|Lab Grown|IGI

1.83ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG770669255

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG770669255

Diamond specifications and retailer prices

From €731 EUR
$817 USD
As of November 1, 2026
Save €2,294 EUR (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,025 EUR at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.83ct lab-grown cushion diamond

This 1.83ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770669255 or 770669255. Listed at 12 retailers as of November 1, 2026, with prices from €731 to €3,025, a €2,294 spread on the same certified stone. Rare Carat lists it at €3,025. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770669255
Dimensions8.60 × 6.37 × 4.33 mm
L/W Ratio1.35
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
8.60 mm6.37 mm1.83 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770669255
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 36.9°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: €3,025 EUR|Low: €731 EUR|High: €3,204 EUR|Avg: €1,605 EUR|-5.6%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 11€731 EUR
Retailer 5€737 EUR
Retailer 4€757 EUR
Retailer 9€757 EUR
Retailer 6€796 EUR
Retailer 10€1,313 EUR
Retailer 8€1,520 EUR
Retailer 2€1,702 EUR
Retailer 7€1,735 EUR
Retailer 3€2,835 EUR
Rare Carat€3,025 EUR

45 data points across 11 retailers

12 retailers€731 EUR to €3,025 EUR

A
Cheapest Retailer
-
€731 EUR
$817 USD
A
Retailer 2
-
€737 EUR
View
A
Retailer 3
-
€757 EUR
£666 GBP
View
A
Retailer 4
-
€757 EUR
$846 USD
View
A
Retailer 5
-
€796 EUR
ZAR 14,373 ZAR
View
A
Retailer 6
-
€1,313 EUR
$1,467 USD
View
B+
Retailer 7
-
€1,520 EUR
$1,698 USD
View
B+
Retailer 8
-
€1,616 EUR
$1,805 USD
View
B+
Retailer 9
-
€1,702 EUR
£1,497 GBP
View
B+
Retailer 10
-
€1,735 EUR
$1,938 USD
View
Retailer 11
-
€2,835 EUR
A$4,873 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
Rare Carat
LB448 · Nov 1
€3,025 EUR
$3,380 USD
View
11 more retailers have this diamond
Prices start from €731 EURSave up to €2,294 EUR

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
1.83ct Cushion
€731 EUR