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Oval|Lab Grown|IGI

5.11ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG644487436

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG644487436

Diamond specifications and retailer prices

From $1,044 USD
As of November 1, 2026
Save $2,682 USD (72%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,726 USD at Adiamor · As of November 2, 2026
View at Adiamor

About this 5.11ct lab-grown oval diamond

This 5.11ct lab-grown oval 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 LG644487436 or 644487436. Listed at 15 retailers as of November 1, 2026, with prices from $1,044 to $3,726, a $2,682 spread on the same certified stone. Adiamor lists it at $3,726. 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

5.11
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644487436
Dimensions13.87 × 9.75 × 6.09 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.87 mm9.75 mm5.11 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644487436
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.5%

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: Nov 1
Current: $3,726 USD|Low: $676 USD|High: $3,726 USD|Avg: $1,838 USD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3$676 USD
Retailer 10$722 USD
Retailer 11$1,044 USD
Retailer 7$1,045 USD
Retailer 2$1,053 USD
Retailer 6$1,065 USD
Retailer 4$1,111 USD
Retailer 8$1,743 USD
Retailer 9$2,810 USD
Retailer 5$2,819 USD
Retailer 12$3,470 USD
Adiamor$3,726 USD

36 data points across 12 retailers

15 retailers$1,044 USD to $3,726 USD

Retailer 1
-
$545 USD
Price last confirmed 39 days ago
Retailer 2
-
$610 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$667 USD
View
Price last confirmed 36 days ago
Retailer 4
-
$722 USD
£568 GBP
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$1,044 USD
View
B+
Retailer 6
-
$1,045 USD
View
A
Retailer 7
-
$1,053 USD
£829 GBP
View
A
Retailer 8
-
$1,065 USD
€1,014 EUR
View
B+
Retailer 9
-
$1,111 USD
View
B
Retailer 10
-
$1,743 USD
View
Retailer 11
-
$1,777 USD
View
Price last confirmed 35 days ago
B
Retailer 12
-
$2,810 USD
View
B
Retailer 13
-
$2,819 USD
£2,220 GBP
View
B
Retailer 14
-
$3,470 USD
View
Most Expensive
B
Adiamor
D-82159073 · Nov 2
$3,726 USD
View
14 more retailers have this diamond
Prices start from $1,044 USDSave up to $2,682 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
5.11ct Oval
$1,044 USD