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Round|Lab Grown|IGI

1.68ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG529267012

Shape and cutting style on the report: Round brilliant

Certificate IGI LG529267012

Diamond specifications and retailer prices

From $746 NZD
$419 USD
As of October 27, 2026
Save $2,334 NZD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,092 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 LG529267012 or 529267012. Listed at 11 retailers as of October 27, 2026, with a 313% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529267012
Dimensions7.65 × 7.61 × 4.71 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.65 mm7.61 mm1.68 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529267012
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.7%

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 27
Current: $5,092 NZD|Low: $361 NZD|High: $5,092 NZD|Avg: $1,650 NZD
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
October 29, 2026
Retailer 3$506 NZD
Retailer 7$746 NZD
Retailer 9$988 NZD
Retailer 10$1,150 NZD
Retailer 8$1,282 NZD
Retailer 2$1,403 NZD
Retailer 12$1,597 NZD
Retailer 6$2,083 NZD
Retailer 4$2,585 NZD
Retailer 11$2,802 NZD
Retailer 5$3,080 NZD
Do Amore Diamonds$5,092 NZD

32 data points across 12 retailers

11 retailers$746 NZD to $3,080 NZD

A
Cheapest Retailer
-
$746 NZD
$419 USD
B+
Retailer 2
-
$988 NZD
$555 USD
View
B+
Retailer 3
-
$1,150 NZD
$646 USD
View
B+
Retailer 4
-
$1,282 NZD
$720 USD
View
B
Retailer 5
-
$1,403 NZD
£621 GBP
View
B+
Retailer 6
-
$1,597 NZD
$897 USD
View
B
Retailer 7
-
$2,083 NZD
$1,170 USD
View
B
Retailer 8
-
$2,585 NZD
$1,452 USD
View
B
Retailer 9
-
$2,802 NZD
$1,574 USD
View
B
Retailer 10
-
$3,080 NZD
£1,362 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8D728AC9C · Oct 29
$5,092 NZD
$2,860 USD
View
Price under review
10 more retailers have this diamond
Prices start from $746 NZDSave up to $2,334 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
$746 NZD