Round|Lab Grown|IGI

9.58ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG626491717

Shape and cutting style on the report: Round brilliant

Certificate IGI LG626491717

Diamond specifications and retailer prices

From $5,644 USD
As of October 29, 2026
Save $7,749 USD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $18,212 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 9.58ct lab-grown round diamond

This 9.58ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG626491717 or 626491717. Listed at 20 retailers as of October 29, 2026, with a 137% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

9.58
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626491717
Dimensions13.67 × 13.71 × 8.37 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
13.67 mm13.71 mm9.58 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626491717
Side View
Table 56.0%Crown 33°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $8,372 USD|Low: $5,418 USD|High: $22,736 USD|Avg: $9,292 USD|+2.7%
Retailer 1
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 14$5,644 USD
Retailer 5$5,915 USD
Retailer 4$6,196 USD
Retailer 7$6,321 USD
Retailer 15$6,547 USD
Retailer 13$6,550 USD
Retailer 11$7,415 USD
Retailer 6$7,772 USD
Retailer 12$7,922 USD
Retailer 1$8,372 USD
Retailer 2$10,108 USD
Retailer 9$10,593 USD
Retailer 10$13,380 USD
Retailer 8$13,393 USD
Retailer 3$22,736 USD

42 data points across 15 retailers

20 retailers$5,644 USD to $13,393 USD

B+
Cheapest Retailer
-
$5,644 USD
B
Retailer 2
-
$5,915 USD
View
B
Retailer 3
-
$6,196 USD
View
B
Retailer 4
-
$6,321 USD
View
Final sale: no returns
B
Retailer 5
-
$6,547 USD
View
Retailer 6
-
$6,547 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$6,550 USD
View
Retailer 8
-
$7,415 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$7,744 USD
View
B
Retailer 10
-
$7,772 USD
View
B
Retailer 11
-
$7,859 USD
HK$61,400 HKD
View
B
Retailer 12
-
$7,922 USD
View
B
Retailer 13
-
$8,372 USD
£6,592 GBP
View
B
Retailer 14
-
$10,108 USD
View
B
Retailer 15
-
$10,593 USD
€10,089 EUR
View
B
Retailer 16
-
$13,380 USD
View
B
Retailer 17
-
$13,393 USD
£10,546 GBP
View
Most Expensive
Reve Diamonds
F319ED15B · Oct 30
$18,212 USD
View
Price under review
17 more retailers have this diamond
Prices start from $5,644 USDSave up to $7,749 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.

B+
9.58ct Round
$5,644 USD