Round|Lab Grown|IGI

3.61ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG608366181

Shape and cutting style on the report: Round brilliant

Certificate IGI LG608366181

Diamond specifications and retailer prices

From $1,541 NZD
€827 EUR
As of October 31, 2026
Save $3,516 NZD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,057 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.61ct lab-grown round diamond

This 3.61ct 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 LG608366181 or 608366181. Listed at 14 retailers as of October 29, 2026, with prices from $1,541 to $5,057, a $3,516 spread on the same certified stone. Brilliant Earth lists it at $5,057. 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

3.61
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608366181
Dimensions9.83 × 9.80 × 6.07 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.83 mm9.80 mm3.61 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608366181
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

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 31
Current: $5,057 NZD|Low: $956 NZD|High: $5,376 NZD|Avg: $2,267 NZD|-5.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 3$956 NZD
Retailer 11$1,295 NZD
Retailer 2$1,541 NZD
Retailer 7$1,579 NZD
Retailer 10$1,742 NZD
Retailer 8$1,797 NZD
Retailer 4$1,866 NZD
Retailer 9$2,083 NZD
Retailer 6$2,899 NZD
Retailer 5$4,714 NZD
Brilliant Earth$5,057 NZD

37 data points across 11 retailers

14 retailers$1,541 NZD to $5,057 NZD

Retailer 1
-
$772 NZD
$435 USD
Price last confirmed 38 days ago
Retailer 2
-
$864 NZD
$487 USD
View
Price last confirmed 38 days ago
Retailer 3
-
$944 NZD
$532 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$1,295 NZD
£575 GBP
View
Price last confirmed 23 days ago
A
Retailer 5
-
$1,541 NZD
€827 EUR
View
B+
Retailer 6
-
$1,579 NZD
$890 USD
View
B+
Retailer 7
-
$1,742 NZD
$982 USD
View
A
Retailer 8
-
$1,797 NZD
$1,013 USD
View
B+
Retailer 9
-
$1,866 NZD
£828 GBP
View
B+
Retailer 10
-
$2,083 NZD
$1,174 USD
View
B
Retailer 11
-
$2,899 NZD
$1,634 USD
View
Retailer 12
-
$3,077 NZD
$1,734 USD
View
Price last confirmed 34 days ago
B
Retailer 13
-
$4,714 NZD
£2,092 GBP
View
Most Expensive
B
Brilliant Earth
8695424A · Oct 29
$5,057 NZD
$2,850 USD
View
13 more retailers have this diamond
Prices start from $1,541 NZDSave up to $3,516 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
3.61ct Round
$1,541 NZD