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Round|Lab Grown|IGI

5.15ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG559201327

Shape and cutting style on the report: Round brilliant

Certificate IGI LG559201327

Diamond specifications and retailer prices

From $642 USD
As of October 26, 2026
Save $2,513 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,155 USD at MOH London · As of October 29, 2026
View at MOH London

About this 5.15ct lab-grown round diamond

This 5.15ct 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 LG559201327 or 559201327. Listed at 15 retailers as of October 26, 2026, with prices from $642 to $3,155, a $2,513 spread on the same certified stone. MOH London lists it at $3,155. 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

5.15
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559201327
Dimensions11.04 × 11.10 × 6.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.04 mm11.10 mm5.15 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559201327
Side View
Table 57.0%Crown 34.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $3,155 USD|Low: $616 USD|High: $3,175 USD|Avg: $1,396 USD|+0.5%
MOH London
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
October 31, 2026
Retailer 10$642 USD
Retailer 3$699 USD
Retailer 12$719 USD
Retailer 11$745 USD
Retailer 6$870 USD
Retailer 7$920 USD
Retailer 9$1,068 USD
Retailer 2$1,186 USD
Retailer 14$1,210 USD
Retailer 5$1,690 USD
Retailer 8$1,902 USD
Retailer 4$2,094 USD
Retailer 13$2,512 USD
MOH London$3,155 USD

42 data points across 14 retailers

15 retailers$642 USD to $3,155 USD

A
Cheapest Retailer
-
$642 USD
Retailer 2
-
$699 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$719 USD
View
Final sale: no returns
A
Retailer 4
-
$745 USD
View
Retailer 5
-
$745 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$870 USD
HK$6,800 HKD
View
A
Retailer 7
-
$920 USD
View
B+
Retailer 8
-
$1,068 USD
View
A
Retailer 9
-
$1,186 USD
£934 GBP
View
B+
Retailer 10
-
$1,210 USD
View
B+
Retailer 11
-
$1,690 USD
View
B+
Retailer 12
-
$1,902 USD
View
B
Retailer 13
-
$2,094 USD
View
B
Retailer 14
-
$2,512 USD
SGD 3,395 SGD
View
Most Expensive
B
MOH London
LG559201327 · Oct 29
$3,155 USD
£2,484 GBP
View
14 more retailers have this diamond
Prices start from $642 USDSave up to $2,513 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
5.15ct Round
$642 USD