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Round|Lab Grown|IGI

1.70ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG804649579

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804649579

Diamond specifications and retailer prices

From €1,330 EUR
$1,486 USD
As of October 30, 2026
Save €1,328 EUR (50%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €4,726 EUR at Brilliant Earth · As of September 21, 2026
View at Brilliant Earth

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804649579 or 804649579. Listed at 4 retailers as of October 30, 2026, with a 100% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804649579
Dimensions7.65 × 7.61 × 4.76 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.65 mm7.61 mm1.70 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804649579
Side View
Table 55.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,658 EUR|Low: €405 EUR|High: €4,726 EUR|Avg: €1,643 EUR|-43.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 6€405 EUR
Retailer 8€747 EUR
Retailer 11€856 EUR
Retailer 5€982 EUR
Retailer 7€1,053 EUR
Retailer 2€1,330 EUR
Retailer 10€1,397 EUR
Retailer 3€2,039 EUR
Retailer 9€2,228 EUR
Retailer 4€2,596 EUR
Brilliant Earth€2,658 EUR

11 data points across 11 retailers

4 retailers€1,330 EUR to €2,658 EUR

B+
Cheapest Retailer
-
€1,330 EUR
$1,486 USD
Retailer 2
-
€2,596 EUR
$2,900 USD
View
Price last confirmed 10 days ago
B
Retailer 3
-
€2,658 EUR
$2,970 USD
View
Most Expensive
Brilliant Earth
20798981Y · Sep 21
€4,726 EUR
$5,280 USD
View
Price last confirmed 40 days ago
3 more retailers have this diamond
Prices start from €1,330 EURSave up to €1,328 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.

B+
1.70ct Round
€1,330 EUR