Round|Lab Grown|IGI

1.70ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816615240

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816615240

Diamond specifications and retailer prices

From €393 EUR
$439 USD
As of October 29, 2026
Save €2,283 EUR (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,752 EUR at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG816615240 or 816615240. Listed at 22 retailers as of October 29, 2026, with a 581% 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 angle34.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615240
Dimensions7.65 × 7.59 × 4.75 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 mm7.59 mm1.70 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615240
Side View
Table 56.0%Crown 34.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €2,752 EUR|Low: €393 EUR|High: €4,610 EUR|Avg: €1,297 EUR|-1.1%
Rare Carat
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 7€393 EUR
Retailer 14€439 EUR
Retailer 3€439 EUR
Retailer 12€487 EUR
Retailer 20€487 EUR
Retailer 19€618 EUR
Retailer 5€765 EUR
Retailer 2€802 EUR
Retailer 15€807 EUR
Retailer 18€837 EUR
Retailer 8€1,004 EUR
Retailer 6€1,176 EUR
Retailer 11€1,565 EUR
Retailer 10€1,595 EUR
Retailer 9€1,681 EUR
Retailer 13€1,694 EUR
Retailer 17€1,798 EUR
Retailer 4€2,308 EUR
Retailer 16€2,676 EUR
Rare Carat€2,752 EUR

24 data points across 20 retailers

22 retailers€393 EUR to €2,676 EUR

A
Cheapest Retailer
-
€393 EUR
$439 USD
A
Retailer 2
-
€439 EUR
$490 USD
View
Final sale: no returns
A
Retailer 3
-
€439 EUR
$491 USD
View
A
Retailer 4
-
€487 EUR
$544 USD
View
A
Retailer 5
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€487 EUR
$544 USD
View
A
Retailer 6
-
€618 EUR
$690 USD
View
A
Retailer 7
-
€765 EUR
$855 USD
View
A
Retailer 8
-
€802 EUR
£705 GBP
View
A
Retailer 9
-
€807 EUR
View
A
Retailer 10
-
€837 EUR
ZAR 15,099 ZAR
View
A
Retailer 11
-
€1,004 EUR
$1,122 USD
View
B+
Retailer 12
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€1,176 EUR
$1,314 USD
View
Retailer 13
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€1,455 EUR
$1,626 USD
View
Price last confirmed 46 days ago
B+
Retailer 14
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€1,565 EUR
$1,748 USD
View
B+
Retailer 15
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€1,595 EUR
$1,782 USD
View
B+
Retailer 16
-
€1,681 EUR
SGD 2,538 SGD
View
B+
Retailer 17
-
€1,694 EUR
$1,892 USD
View
B+
Retailer 18
-
€1,798 EUR
£1,582 GBP
View
B
Retailer 19
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€2,308 EUR
$2,578 USD
View
Retailer 20
-
€2,618 EUR
$2,925 USD
View
Price last confirmed 14 days ago
B
Retailer 21
-
€2,676 EUR
$2,990 USD
View
Most Expensive
Rare Carat
PD-227831 · Oct 18
€2,752 EUR
$3,075 USD
View
Price last confirmed 14 days ago
21 more retailers have this diamond
Prices start from €393 EURSave up to €2,283 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 Round
€393 EUR