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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 $8,120 AUD
$5,704 USD
As of October 29, 2026
Save $28,794 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $36,914 AUD 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 $8,120 to $36,914, a $28,794 spread on the same certified stone. Brilliant Earth lists it at $36,914. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $36,914 AUD|Low: $7,796 AUD|High: $69,998 AUD|Avg: $19,363 AUD|-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
November 1, 2026
Retailer 10$8,120 AUD
Retailer 2$8,351 AUD
Retailer 12$8,510 AUD
Retailer 14$9,097 AUD
Retailer 3$9,673 AUD
Retailer 9$11,397 AUD
Retailer 8$11,403 AUD
Retailer 13$12,344 AUD
Retailer 5$12,573 AUD
Retailer 11$14,545 AUD
Retailer 15$16,460 AUD
Retailer 4$25,212 AUD
Retailer 7$31,398 AUD
Brilliant Earth$36,914 AUD
Retailer 6$69,998 AUD

40 data points across 15 retailers

11 retailers$8,120 AUD to $36,914 AUD

A
Cheapest Retailer
-
$8,120 AUD
$5,704 USD
A
Retailer 2
-
$8,351 AUD
£4,619 GBP
View
B+
Retailer 3
-
$8,510 AUD
$5,978 USD
View
B+
Retailer 4
-
$9,097 AUD
$6,390 USD
View
Final sale: no returns
B+
Retailer 5
-
$11,397 AUD
$8,006 USD
View
B+
Retailer 6
-
$11,403 AUD
$8,010 USD
View
B+
Retailer 7
-
$12,344 AUD
$8,671 USD
View
B+
Retailer 8
-
$12,573 AUD
HK$69,000 HKD
View
B
Retailer 9
-
$14,545 AUD
$10,217 USD
View
B
Retailer 10
-
$25,212 AUD
$17,710 USD
View
Most Expensive
B
Brilliant Earth
15272544Y · Oct 31
$36,914 AUD
$25,930 USD
View
10 more retailers have this diamond
Prices start from $8,120 AUDSave up to $28,794 AUD

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
$8,120 AUD