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Round|Lab Grown|IGI

1.68ct D SI1 Round Lab Grown Diamond

VG • D/SI1 • IGI LG564356814

Shape and cutting style on the report: Round brilliant

Certificate IGI LG564356814

Diamond specifications and retailer prices

From €181 EUR
$202 USD
As of October 29, 2026
Save €1,377 EUR (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,557 EUR at Brilliant Earth · As of October 29, 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 D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG564356814 or 564356814. Listed at 10 retailers as of October 29, 2026, with prices from €181 to €1,557, a €1,377 spread on the same certified stone. Brilliant Earth lists it at €1,557. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.68
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG564356814
Dimensions7.52 × 7.48 × 4.63 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
7.52 mm7.48 mm1.68 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG564356814
Side View
Table 57.5%Crown 33.3°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: €1,557 EUR|Low: €153 EUR|High: €1,602 EUR|Avg: €601 EUR|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 11€181 EUR
Retailer 12€205 EUR
Retailer 9€210 EUR
Retailer 5€388 EUR
Retailer 8€389 EUR
Retailer 4€499 EUR
Retailer 3€559 EUR
Retailer 10€687 EUR
Retailer 6€724 EUR
Retailer 7€797 EUR
Retailer 2€998 EUR
Brilliant Earth€1,557 EUR

38 data points across 12 retailers

10 retailers€181 EUR to €1,557 EUR

A
Cheapest Retailer
-
€181 EUR
$202 USD
A
Retailer 2
-
€205 EUR
$229 USD
View
Final sale: no returns
A
Retailer 3
-
€210 EUR
$235 USD
View
A
Retailer 4
-
€388 EUR
£342 GBP
View
B
Retailer 5
-
€389 EUR
$435 USD
View
B
Retailer 6
-
€687 EUR
$768 USD
View
B
Retailer 7
-
€724 EUR
$809 USD
View
B
Retailer 8
-
€797 EUR
$890 USD
View
B
Retailer 9
-
€998 EUR
£878 GBP
View
Most Expensive
C
Brilliant Earth
6757201Y · Oct 29
€1,557 EUR
$1,740 USD
View
9 more retailers have this diamond
Prices start from €181 EURSave up to €1,377 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
€181 EUR