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Round|Lab Grown|IGI

1.68ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG638478375

Shape and cutting style on the report: Round brilliant

Certificate IGI LG638478375

Diamond specifications and retailer prices

From €335 EUR
$376 USD
As of November 1, 2026
Save €2,027 EUR (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €2,363 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.68ct lab-grown round diamond

This 1.68ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG638478375 or 638478375. Listed at 24 retailers as of November 1, 2026, with prices from €335 to €2,363, a €2,027 spread on the same certified stone. Brilliant Earth lists it at €2,363. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638478375
Dimensions7.65 × 7.69 × 4.71 mm
L/W Ratio1.01
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
7.65 mm7.69 mm1.68 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638478375
Side View
Table 55.0%Crown 33.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.4%

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: Nov 1
Current: €2,363 EUR|Low: €335 EUR|High: €2,381 EUR|Avg: €1,065 EUR|-0.7%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 11€335 EUR
Retailer 10€375 EUR
Retailer 20€383 EUR
Retailer 7€415 EUR
Retailer 4€548 EUR
Retailer 3€557 EUR
Retailer 19€640 EUR
Retailer 18€667 EUR
Retailer 13€717 EUR
Retailer 15€744 EUR
Retailer 5€941 EUR
Retailer 17€965 EUR
Retailer 2€1,048 EUR
Retailer 6€1,336 EUR
Retailer 8€1,371 EUR
Retailer 9€1,558 EUR
Retailer 14€1,625 EUR
Retailer 16€1,778 EUR
Retailer 12€1,961 EUR
Brilliant Earth€2,363 EUR

42 data points across 20 retailers

24 retailers€335 EUR to €2,363 EUR

A
Cheapest Retailer
-
€335 EUR
$376 USD
A
Retailer 2
-
€375 EUR
$421 USD
View
A
Retailer 3
-
€383 EUR
$430 USD
View
Final sale: no returns
A
Retailer 4
-
€415 EUR
$466 USD
View
Retailer 5
-
€426 EUR
$478 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€548 EUR
$615 USD
View
A
Retailer 7
-
€557 EUR
$625 USD
View
A
Retailer 8
-
€640 EUR
$718 USD
View
A
Retailer 9
-
€667 EUR
View
A
Retailer 10
-
€717 EUR
ZAR 12,995 ZAR
View
A
Retailer 11
-
€744 EUR
£657 GBP
View
B+
Retailer 12
-
€941 EUR
$1,055 USD
View
B+
Retailer 13
-
€965 EUR
A$1,665 AUD
View
B+
Retailer 14
-
€1,048 EUR
$1,176 USD
View
B
Retailer 15
-
€1,336 EUR
$1,499 USD
View
B
Retailer 16
-
€1,371 EUR
$1,538 USD
View
Retailer 17
-
€1,434 EUR
A$2,475 AUD
View
Price last confirmed 158 days ago
B
Retailer 18
-
€1,558 EUR
$1,747 USD
View
B+
Retailer 19
-
€1,625 EUR
£1,435 GBP
View
B
Retailer 20
-
€1,778 EUR
$1,994 USD
View
Retailer 21
-
€1,961 EUR
$2,200 USD
View
Price last confirmed 12 days ago
Retailer 22
-
€1,974 EUR
$2,214 USD
View
Price last confirmed 98 days ago
B
Retailer 23
-
€2,363 EUR
$2,650 USD
View
Most Expensive
B
Brilliant Earth
14224910A · Nov 2
€2,363 EUR
$2,650 USD
View
23 more retailers have this diamond
Prices start from €335 EURSave up to €2,027 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
1.68ct Round
€335 EUR