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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 $356 NZD
$200 USD
As of October 29, 2026
Save $3,064 NZD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,420 NZD 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 $356 to $3,420, a $3,064 spread on the same certified stone. Do Amore Diamonds lists it at $3,420. 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 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,420 NZD|Low: $298 NZD|High: $3,545 NZD|Avg: $1,293 NZD|-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$356 NZD
Retailer 14$404 NZD
Retailer 12$413 NZD
Retailer 11$768 NZD
Retailer 7$846 NZD
Retailer 5$981 NZD
Retailer 6$1,080 NZD
Retailer 8$1,229 NZD
Retailer 3$1,389 NZD
Retailer 9$1,425 NZD
Retailer 10$1,568 NZD
Retailer 2$1,966 NZD
Retailer 4$2,191 NZD
Do Amore Diamonds$3,420 NZD

38 data points across 14 retailers

10 retailers$356 NZD to $3,420 NZD

A
Cheapest Retailer
-
$356 NZD
$200 USD
A
Retailer 2
-
$404 NZD
$227 USD
View
Final sale: no returns
A
Retailer 3
-
$413 NZD
$232 USD
View
B+
Retailer 4
-
$768 NZD
$431 USD
View
A
Retailer 5
-
$846 NZD
£374 GBP
View
B+
Retailer 6
-
$1,229 NZD
$690 USD
View
B+
Retailer 7
-
$1,425 NZD
$800 USD
View
B+
Retailer 8
-
$1,568 NZD
$880 USD
View
B
Retailer 9
-
$1,966 NZD
£869 GBP
View
Most Expensive
B
Do Amore Diamonds
27-87838F170 · Oct 29
$3,420 NZD
$1,920 USD
View
9 more retailers have this diamond
Prices start from $356 NZDSave up to $3,064 NZD

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
$356 NZD