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Round|Lab Grown|IGI

1.68ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG528206233

Shape and cutting style on the report: Round brilliant

Certificate IGI LG528206233

Diamond specifications and retailer prices

From €254 EUR
$284 USD
As of October 30, 2026
Save €970 EUR (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,225 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG528206233 or 528206233. Listed at 16 retailers as of October 30, 2026, with prices from €254 to €1,225, a €970 spread on the same certified stone. Reve Diamonds lists it at €1,225. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.68
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528206233
Dimensions7.64 × 7.59 × 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
7.64 mm7.59 mm1.68 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528206233
Side View
Table 56.0%Crown 36.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.8%

Caratlytics Score

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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 30
Current: €538 EUR|Low: €181 EUR|High: €1,147 EUR|Avg: €548 EUR|+6.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10€254 EUR
Retailer 7€283 EUR
Retailer 2€469 EUR
Retailer 6€470 EUR
Retailer 8€473 EUR
Retailer 9€525 EUR
Retailer 1€538 EUR
Retailer 4€685 EUR
Retailer 3€868 EUR
Retailer 5€1,139 EUR

30 data points across 10 retailers

16 retailers€254 EUR to €1,225 EUR

Retailer 1
-
€228 EUR
$255 USD
Price last confirmed 39 days ago
A
Retailer 2
-
€254 EUR
$284 USD
View
Final sale: no returns
Retailer 3
-
€264 EUR
$295 USD
View
Price last confirmed 39 days ago
Retailer 4
-
€279 EUR
$312 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
€469 EUR
$524 USD
View
B+
Retailer 6
-
€470 EUR
$525 USD
View
A
Retailer 7
-
€473 EUR
$528 USD
View
B+
Retailer 8
-
€525 EUR
$586 USD
View
B+
Retailer 9
-
€538 EUR
£473 GBP
View
Retailer 10
-
€685 EUR
$765 USD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
€696 EUR
£613 GBP
View
B
Retailer 12
-
€868 EUR
$970 USD
View
Retailer 13
-
€909 EUR
$1,015 USD
View
Price last confirmed 40 days ago
B
Retailer 14
-
€955 EUR
$1,067 USD
View
Retailer 15
-
€1,139 EUR
£1,002 GBP
View
Price last confirmed 14 days ago
Most Expensive
B
Reve Diamonds
AEEE51C91 · Oct 30
€1,225 EUR
$1,368 USD
View
15 more retailers have this diamond
Prices start from €254 EURSave up to €970 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
€254 EUR