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Round|Lab Grown|IGI

3.08ct E SI1 Round Lab Grown Diamond

ID • E/SI1

Diamond specifications and retailer prices

From $783 NZD
As of November 3, 2026
Save $3,177 NZD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,960 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.08ct lab-grown round diamond

This 3.08ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 9 retailers as of October 31, 2026, with prices from $783 to $3,960, a $3,177 spread on the same certified stone. Blue Nile lists it at $3,960. 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

3.08
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.32 × 9.35 × 5.77 mm
L/W Ratio1.00
Top View
9.32 mm9.35 mm3.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.8%

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: Nov 3
Current: $3,960 NZD|Low: $640 NZD|High: $3,960 NZD|Avg: $1,969 NZD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 20, 2026
Retailer 4$783 NZD
Retailer 2$875 NZD
Retailer 3$970 NZD
Retailer 6$2,434 NZD
Retailer 5$3,118 NZD
Blue Nile$3,960 NZD

9 data points across 6 retailers

9 retailers$783 NZD to $3,960 NZD

A
Cheapest Retailer
-
$783 NZD
Retailer 2
-
$783 NZD
View
Price last confirmed 27 days ago
A
Retailer 3
-
$875 NZD
View
Retailer 4
-
$875 NZD
View
Price last confirmed 28 days ago
Retailer 5
-
$970 NZD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$970 NZD
View
Retailer 7
-
$3,118 NZD
View
Price last confirmed 27 days ago
B
Retailer 8
-
$3,118 NZD
View
Most Expensive
B
Blue Nile
25280163 · Oct 31
$3,960 NZD
$2,226 USD
View
8 more retailers have this diamond
Prices start from $783 NZDSave up to $3,177 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
3.08ct Round
$783 NZD