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Radiant|Lab Grown|IGI

1.70ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG818641530

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG818641530

Diamond specifications and retailer prices

From €519 EUR
$580 USD
As of October 30, 2026
Save €4,091 EUR (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,610 EUR at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.7ct lab-grown radiant diamond

This 1.7ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818641530 or 818641530. Listed at 12 retailers as of October 30, 2026, with prices from €519 to €4,610, a €4,091 spread on the same certified stone. Do Amore Diamonds lists it at €4,610. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818641530
Dimensions8.59 × 5.82 × 3.94 mm
L/W Ratio1.48
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
8.59 mm5.82 mm1.70 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818641530
Side View
Table 63.0%Crown 43.1°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 67.7%

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 30
Current: €4,610 EUR|Low: €519 EUR|High: €5,908 EUR|Avg: €2,451 EUR|-15.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 7€519 EUR
Retailer 11€581 EUR
Retailer 3€774 EUR
Retailer 4€955 EUR
Retailer 8€990 EUR
Retailer 12€1,136 EUR
Retailer 9€1,597 EUR
Retailer 10€1,868 EUR
Retailer 6€2,815 EUR
Retailer 2€3,383 EUR
Retailer 13€3,607 EUR
Retailer 5€3,825 EUR
Do Amore Diamonds€4,610 EUR

29 data points across 13 retailers

12 retailers€519 EUR to €4,610 EUR

A
Cheapest Retailer
-
€519 EUR
$580 USD
A
Retailer 2
-
€581 EUR
$649 USD
View
A
Retailer 3
-
€774 EUR
$865 USD
View
A
Retailer 4
-
€955 EUR
$1,067 USD
View
A
Retailer 5
-
€990 EUR
$1,106 USD
View
Retailer 6
-
€1,136 EUR
View
Price last confirmed 8 days ago
B+
Retailer 7
-
€1,597 EUR
$1,784 USD
View
B+
Retailer 8
-
€1,868 EUR
$2,087 USD
View
B
Retailer 9
-
€2,815 EUR
£2,476 GBP
View
B
Retailer 10
-
€3,383 EUR
$3,780 USD
View
B
Retailer 11
-
€3,607 EUR
$4,030 USD
View
Most Expensive
B
Do Amore Diamonds
27-8A72FBFBD · Oct 30
€4,610 EUR
$5,150 USD
View
11 more retailers have this diamond
Prices start from €519 EURSave up to €4,091 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
1.70ct Radiant
€519 EUR