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Round|Lab Grown|IGI

5.16ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG791653547

Shape and cutting style on the report: Round brilliant

Certificate IGI LG791653547

Diamond specifications and retailer prices

From $706 USD
As of October 29, 2026
Save $3,234 USD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,940 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.16ct lab-grown round diamond

This 5.16ct 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 LG791653547 or 791653547. Listed at 20 retailers as of October 29, 2026, with prices from $706 to $3,940, a $3,234 spread on the same certified stone. Brilliant Earth lists it at $3,940. 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

5.16
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791653547
Dimensions11.07 × 11.10 × 6.80 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.07 mm11.10 mm5.16 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791653547
Side View
Table 56.0%Crown 35.6°Girdle: MediumPavilion 40.3°Culet: NoneDepth 61.3%

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: $3,940 USD|Low: $668 USD|High: $3,940 USD|Avg: $1,738 USD
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
Retailer 19
October 31, 2026
Retailer 7$706 USD
Retailer 16$768 USD
Retailer 11$775 USD
Retailer 13$995 USD
Retailer 6$1,023 USD
Retailer 4$1,090 USD
Retailer 18$1,280 USD
Retailer 2$1,294 USD
Retailer 14$1,308 USD
Retailer 19$1,331 USD
Retailer 9$1,663 USD
Retailer 15$1,717 USD
Retailer 17$1,866 USD
Retailer 12$2,302 USD
Retailer 3$2,677 USD
Retailer 5$2,823 USD
Retailer 10$3,080 USD
Retailer 8$3,283 USD
Brilliant Earth$3,940 USD

30 data points across 19 retailers

20 retailers$706 USD to $3,940 USD

A
Cheapest Retailer
-
$706 USD
A
Retailer 2
-
$768 USD
View
A
Retailer 3
-
$775 USD
View
Retailer 4
-
$775 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$995 USD
View
A
Retailer 6
-
$1,023 USD
View
Final sale: no returns
A
Retailer 7
-
$1,090 USD
£858 GBP
View
B+
Retailer 8
-
$1,280 USD
View
B+
Retailer 9
-
$1,294 USD
€1,232 EUR
View
B+
Retailer 10
-
$1,308 USD
£1,030 GBP
View
B+
Retailer 11
-
$1,331 USD
View
B+
Retailer 12
-
$1,663 USD
A$2,558 AUD
View
B+
Retailer 13
-
$1,717 USD
View
B+
Retailer 14
-
$1,866 USD
View
B
Retailer 15
-
$2,302 USD
View
B
Retailer 16
-
$2,677 USD
View
B
Retailer 17
-
$2,823 USD
View
Retailer 18
-
$3,080 USD
View
Price last confirmed 9 days ago
B
Retailer 19
-
$3,283 USD
£2,585 GBP
View
Most Expensive
B
Brilliant Earth
19355391A · Oct 29
$3,940 USD
View
19 more retailers have this diamond
Prices start from $706 USDSave up to $3,234 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
5.16ct Round
$706 USD