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Round|Lab Grown|IGI

1.68ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG831655335

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831655335

Diamond specifications and retailer prices

From €184 EUR
$206 USD
As of October 29, 2026
Save €900 EUR (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,084 EUR at Reve Diamonds · As of November 1, 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 LG831655335 or 831655335. Listed at 9 retailers as of October 29, 2026, with prices from €184 to €1,084, a €900 spread on the same certified stone. Reve Diamonds lists it at €1,084. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831655335
Dimensions7.82 × 7.74 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.82 mm7.74 mm1.68 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831655335
Side View
Table 59.0%Crown 32.9°Girdle: MediumPavilion 40.4°CuletDepth 58.8%

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: €1,066 EUR|Low: €176 EUR|High: €1,084 EUR|Avg: €551 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Reve Diamonds
November 1, 2026
Retailer 4€184 EUR
Retailer 5€206 EUR
Retailer 6€228 EUR
Retailer 7€393 EUR
Retailer 2€394 EUR
Retailer 8€733 EUR
Retailer 3€736 EUR
Retailer 1€1,066 EUR
Reve Diamonds€1,084 EUR

30 data points across 9 retailers

9 retailers€184 EUR to €1,084 EUR

A
Cheapest Retailer
-
€184 EUR
$206 USD
A
Retailer 2
-
€206 EUR
$230 USD
View
Final sale: no returns
A
Retailer 3
-
€228 EUR
$255 USD
View
B+
Retailer 4
-
€393 EUR
$439 USD
View
A
Retailer 5
-
€394 EUR
£346 GBP
View
B+
Retailer 6
-
€733 EUR
$819 USD
View
B
Retailer 7
-
€736 EUR
$822 USD
View
B
Retailer 8
-
€1,066 EUR
£938 GBP
View
Most Expensive
B
Reve Diamonds
212EB783E · Nov 1
€1,084 EUR
$1,211 USD
View
8 more retailers have this diamond
Prices start from €184 EURSave up to €900 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
€184 EUR