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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 $5,704 USD
As of October 29, 2026
Save $20,226 USD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $25,930 USD 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 $5,704 to $25,930, a $20,226 spread on the same certified stone. Brilliant Earth lists it at $25,930. 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
Color
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: $25,930 USD|Low: $5,476 USD|High: $49,170 USD|Avg: $13,607 USD|-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$5,704 USD
Retailer 2$5,884 USD
Retailer 12$5,978 USD
Retailer 14$6,390 USD
Retailer 3$6,795 USD
Retailer 9$8,006 USD
Retailer 8$8,010 USD
Retailer 13$8,671 USD
Retailer 5$8,832 USD
Retailer 11$10,217 USD
Retailer 15$11,562 USD
Retailer 4$17,710 USD
Retailer 7$22,055 USD
Brilliant Earth$25,930 USD
Retailer 6$49,170 USD

39 data points across 15 retailers

11 retailers$5,704 USD to $25,930 USD

A
Cheapest Retailer
-
$5,704 USD
A
Retailer 2
-
$5,884 USD
£4,633 GBP
View
B+
Retailer 3
-
$5,978 USD
View
B+
Retailer 4
-
$6,390 USD
View
Final sale: no returns
B+
Retailer 5
-
$8,006 USD
View
B+
Retailer 6
-
$8,010 USD
View
B+
Retailer 7
-
$8,671 USD
View
B+
Retailer 8
-
$8,832 USD
HK$69,000 HKD
View
B
Retailer 9
-
$10,217 USD
View
B
Retailer 10
-
$17,710 USD
View
Most Expensive
B
Brilliant Earth
15272544Y · Oct 31
$25,930 USD
View
10 more retailers have this diamond
Prices start from $5,704 USDSave up to $20,226 USD

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
$5,704 USD