Round|Lab Grown|IGI

3.56ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG610317693

Shape and cutting style on the report: Round brilliant

Certificate IGI LG610317693

Diamond specifications and retailer prices

From $1,312 USD
A$2,018 AUD
As of October 31, 2026
18 retailers carry this diamond
Most expensive: $4,470 USD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 3.56ct lab-grown round diamond

This 3.56ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG610317693 or 610317693. Listed at 18 retailers as of October 31, 2026. 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

3.56
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610317693
Dimensions9.77 × 9.71 × 6.10 mm
L/W Ratio1.01
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
9.77 mm9.71 mm3.56 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610317693
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 62.6%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $4,470 USD|Low: $391 USD|High: $4,610 USD|Avg: $1,270 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
Retailer 16
Retailer 17
Retailer 18
October 23, 2026
Retailer 18$407 USD
Retailer 11$455 USD
Retailer 8$456 USD
Retailer 14$605 USD
Retailer 4$678 USD
Retailer 3$762 USD
Retailer 2$846 USD
Retailer 12$893 USD
Retailer 7$1,024 USD
Retailer 6$1,252 USD
Retailer 13$1,312 USD
Retailer 17$1,343 USD
Retailer 9$1,845 USD
Retailer 15$1,850 USD
Retailer 10$1,940 USD
Retailer 5$1,971 USD
Retailer 16$2,057 USD
Brilliant Earth$4,470 USD

32 data points across 18 retailers

18 retailers

Retailer 1
-
$407 USD
Price last confirmed 11 days ago
Retailer 2
-
$456 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$505 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$605 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$678 USD
HK$5,300 HKD
View
Price last confirmed 9 days ago
Retailer 6
-
$762 USD
View
Price last confirmed 11 days ago
Retailer 7
-
$846 USD
€806 EUR
View
Price last confirmed 9 days ago
Retailer 8
-
$893 USD
£703 GBP
View
Price last confirmed 11 days ago
Retailer 9
-
$1,024 USD
View
Price last confirmed 11 days ago
Retailer 10
-
$1,252 USD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
$1,312 USD
A$2,018 AUD
View
Retailer 12
-
$1,343 USD
View
Price last confirmed 11 days ago
Retailer 13
-
$1,845 USD
View
Price last confirmed 11 days ago
Retailer 14
-
$1,850 USD
View
Price last confirmed 11 days ago
Retailer 15
-
$1,940 USD
View
Price last confirmed 11 days ago
Retailer 16
-
$1,971 USD
SGD 2,664 SGD
View
Price last confirmed 11 days ago
Retailer 17
-
$2,057 USD
£1,620 GBP
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
12178021A · Oct 21
$4,470 USD
View
Price last confirmed 11 days ago
17 more retailers have this diamond
Prices start from $1,312 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+
3.56ct Round
$1,312 USD