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Round|Lab Grown|IGI

1.68ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG570333696

Shape and cutting style on the report: Round brilliant

Certificate IGI LG570333696

Diamond specifications and retailer prices

From $200 USD
As of October 29, 2026
Save $1,720 USD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,920 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 LG570333696 or 570333696. Listed at 10 retailers as of October 29, 2026, with prices from $200 to $1,920, a $1,720 spread on the same certified stone. Do Amore Diamonds lists it at $1,920. 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 angle34.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570333696
Dimensions7.62 × 7.61 × 4.65 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.62 mm7.61 mm1.68 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570333696
Side View
Table 58.5%Crown 34.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.1%

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: $1,920 USD|Low: $167 USD|High: $1,990 USD|Avg: $726 USD|-3.5%
Do Amore Diamonds
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
October 29, 2026
Retailer 13$200 USD
Retailer 14$227 USD
Retailer 12$232 USD
Retailer 11$431 USD
Retailer 7$475 USD
Retailer 5$551 USD
Retailer 6$606 USD
Retailer 8$690 USD
Retailer 3$780 USD
Retailer 9$800 USD
Retailer 10$880 USD
Retailer 2$1,104 USD
Retailer 4$1,230 USD
Do Amore Diamonds$1,920 USD

38 data points across 14 retailers

10 retailers$200 USD to $1,920 USD

A
Cheapest Retailer
-
$200 USD
A
Retailer 2
-
$227 USD
View
Final sale: no returns
A
Retailer 3
-
$232 USD
View
B+
Retailer 4
-
$431 USD
View
A
Retailer 5
-
$475 USD
£374 GBP
View
B+
Retailer 6
-
$690 USD
View
B+
Retailer 7
-
$800 USD
View
B+
Retailer 8
-
$880 USD
View
B
Retailer 9
-
$1,104 USD
£869 GBP
View
Most Expensive
B
Do Amore Diamonds
27-87838F170 · Oct 29
$1,920 USD
View
9 more retailers have this diamond
Prices start from $200 USDSave up to $1,720 USD

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
$200 USD