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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 €185 EUR
$206 USD
As of October 29, 2026
Save €903 EUR (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,088 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 LG831655335 or 831655335. Listed at 9 retailers as of October 29, 2026, with prices from €185 to €1,088, a €903 spread on the same certified stone. Reve Diamonds lists it at €1,088. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €396 EUR|Low: €207 EUR|High: €1,088 EUR|Avg: €648 EUR|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Reve Diamonds
October 30, 2026
Retailer 4€207 EUR
Retailer 5€394 EUR
Retailer 1€396 EUR
Retailer 3€739 EUR
Retailer 2€1,073 EUR
Reve Diamonds€1,088 EUR

27 data points across 6 retailers

9 retailers€185 EUR to €1,088 EUR

A
Cheapest Retailer
-
€185 EUR
$206 USD
A
Retailer 2
-
€207 EUR
$230 USD
View
Final sale: no returns
A
Retailer 3
-
€229 EUR
$255 USD
View
B+
Retailer 4
-
€394 EUR
$439 USD
View
A
Retailer 5
-
€396 EUR
£347 GBP
View
B+
Retailer 6
-
€736 EUR
$819 USD
View
B
Retailer 7
-
€739 EUR
$822 USD
View
B
Retailer 8
-
€1,073 EUR
£940 GBP
View
Most Expensive
B
Reve Diamonds
212EB783E · Oct 30
€1,088 EUR
$1,211 USD
View
8 more retailers have this diamond
Prices start from €185 EURSave up to €903 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
€185 EUR