Round|Lab Grown|IGI

17.10ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG586343084

Shape and cutting style on the report: Round brilliant

Certificate IGI LG586343084

Diamond specifications and retailer prices

From $10,121 NZD
$5,704 USD
As of October 29, 2026
Save $35,887 NZD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $46,008 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 17.1ct lab-grown round diamond

This 17.1ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG586343084 or 586343084. Listed at 11 retailers as of October 29, 2026, with prices from $10,121 to $46,008, a $35,887 spread on the same certified stone. Brilliant Earth lists it at $46,008. 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

17.10
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG586343084
Dimensions16.76 × 16.69 × 10.11 mm
L/W Ratio1.00
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
16.76 mm16.69 mm17.10 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG586343084
Side View
Table 57.0%Crown 33.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.5%

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: $46,008 NZD|Low: $9,716 NZD|High: $87,242 NZD|Avg: $24,142 NZD|-3.0%
Brilliant Earth
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
Retailer 15
October 30, 2026
Retailer 10$10,121 NZD
Retailer 2$10,440 NZD
Retailer 12$10,607 NZD
Retailer 14$11,338 NZD
Retailer 3$12,056 NZD
Retailer 9$14,205 NZD
Retailer 8$14,212 NZD
Retailer 13$15,385 NZD
Retailer 5$15,671 NZD
Retailer 11$18,128 NZD
Retailer 15$20,515 NZD
Retailer 4$31,423 NZD
Retailer 7$39,133 NZD
Brilliant Earth$46,008 NZD
Retailer 6$87,242 NZD

39 data points across 15 retailers

11 retailers$10,121 NZD to $46,008 NZD

A
Cheapest Retailer
-
$10,121 NZD
$5,704 USD
A
Retailer 2
-
$10,440 NZD
£4,633 GBP
View
B+
Retailer 3
-
$10,607 NZD
$5,978 USD
View
B+
Retailer 4
-
$11,338 NZD
$6,390 USD
View
Final sale: no returns
B+
Retailer 5
-
$14,205 NZD
$8,006 USD
View
B+
Retailer 6
-
$14,212 NZD
$8,010 USD
View
B+
Retailer 7
-
$15,385 NZD
$8,671 USD
View
B+
Retailer 8
-
$15,671 NZD
HK$69,000 HKD
View
B
Retailer 9
-
$18,128 NZD
$10,217 USD
View
B
Retailer 10
-
$31,423 NZD
$17,710 USD
View
Most Expensive
B
Brilliant Earth
15272544Y · Oct 31
$46,008 NZD
$25,930 USD
View
10 more retailers have this diamond
Prices start from $10,121 NZDSave up to $35,887 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
17.10ct Round
$10,121 NZD