CaratHunter
Plans
Oval|Lab Grown|IGI

1.66ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG756555563

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG756555563

Diamond specifications and retailer prices

From €235 EUR
$264 USD
As of November 1, 2026
Save €2,546 EUR (92%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,782 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.66ct lab-grown oval diamond

This 1.66ct lab-grown oval 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 LG756555563 or 756555563. Listed at 15 retailers as of October 31, 2026, with prices from €235 to €2,782, a €2,546 spread on the same certified stone. Brilliant Earth lists it at €2,782. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756555563
Dimensions9.95 × 6.82 × 3.93 mm
L/W Ratio1.46
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
9.95 mm6.82 mm1.66 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756555563
Side View
Table 60.0%Crown 33.1°Girdle: THN-MEDPavilion 38.9°Culet: NoneDepth 57.6%

Caratlytics Score

How it works →
A+
Exceptional
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: €2,782 EUR|Low: €235 EUR|High: €3,441 EUR|Avg: €1,070 EUR|-19.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 3€235 EUR
Retailer 5€273 EUR
Retailer 6€280 EUR
Retailer 8€459 EUR
Retailer 14€485 EUR
Retailer 11€530 EUR
Retailer 7€748 EUR
Retailer 9€829 EUR
Retailer 4€983 EUR
Retailer 10€1,035 EUR
Retailer 2€1,290 EUR
Retailer 13€2,086 EUR
Retailer 12€2,492 EUR
Brilliant Earth€2,782 EUR

34 data points across 14 retailers

15 retailers€235 EUR to €2,782 EUR

A+
Cheapest Retailer
-
€235 EUR
$264 USD
A
Retailer 2
-
€273 EUR
$306 USD
View
A
Retailer 3
-
€280 EUR
$314 USD
View
Final sale: no returns
A
Retailer 4
-
€459 EUR
$515 USD
View
A
Retailer 5
-
€485 EUR
$544 USD
View
A
Retailer 6
-
€530 EUR
$595 USD
View
A
Retailer 7
-
€748 EUR
A$1,291 AUD
View
A
Retailer 8
-
€829 EUR
$930 USD
View
Retailer 9
-
€846 EUR
$949 USD
View
Price last confirmed 47 days ago
A
Retailer 10
-
€983 EUR
$1,103 USD
View
B+
Retailer 11
-
€1,035 EUR
$1,161 USD
View
B+
Retailer 12
-
€1,290 EUR
£1,139 GBP
View
B+
Retailer 13
-
€2,086 EUR
$2,340 USD
View
B
Retailer 14
-
€2,492 EUR
$2,795 USD
View
Most Expensive
B
Brilliant Earth
21411424Y · Oct 31
€2,782 EUR
$3,120 USD
View
14 more retailers have this diamond
Prices start from €235 EURSave up to €2,546 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+
1.66ct Oval
€235 EUR