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Round|Lab Grown|IGI

5.38ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG608359015

Shape and cutting style on the report: Round brilliant

Certificate IGI LG608359015

Diamond specifications and retailer prices

From $588 USD
As of October 29, 2026
Save $2,902 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,490 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.38ct lab-grown round diamond

This 5.38ct 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 LG608359015 or 608359015. Listed at 15 retailers as of October 29, 2026, with prices from $588 to $3,490, a $2,902 spread on the same certified stone. Brilliant Earth lists it at $3,490. 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

5.38
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608359015
Dimensions11.21 × 11.17 × 6.95 mm
L/W Ratio1.00
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
11.21 mm11.17 mm5.38 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608359015
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

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 29
Current: $3,490 USD|Low: $588 USD|High: $6,920 USD|Avg: $1,683 USD|-49.6%
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
November 1, 2026
Retailer 4$588 USD
Retailer 10$659 USD
Retailer 14$730 USD
Retailer 15$730 USD
Retailer 13$898 USD
Retailer 5$1,122 USD
Retailer 9$1,125 USD
Retailer 2$1,137 USD
Retailer 8$1,146 USD
Retailer 6$1,171 USD
Retailer 11$1,810 USD
Retailer 7$1,859 USD
Retailer 3$1,919 USD
Retailer 12$3,184 USD
Brilliant Earth$3,490 USD

39 data points across 15 retailers

15 retailers$588 USD to $3,490 USD

A
Cheapest Retailer
-
$588 USD
A
Retailer 2
-
$659 USD
View
A
Retailer 3
-
$730 USD
View
Retailer 4
-
$730 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$898 USD
£707 GBP
View
Price last confirmed 15 days ago
B+
Retailer 6
-
$1,122 USD
View
B+
Retailer 7
-
$1,125 USD
View
B+
Retailer 8
-
$1,137 USD
£895 GBP
View
B+
Retailer 9
-
$1,146 USD
€1,091 EUR
View
B+
Retailer 10
-
$1,171 USD
View
B
Retailer 11
-
$1,810 USD
View
B
Retailer 12
-
$1,859 USD
View
B
Retailer 13
-
$1,919 USD
View
Retailer 14
-
$3,184 USD
£2,507 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
8716969A · Oct 31
$3,490 USD
View
14 more retailers have this diamond
Prices start from $588 USDSave up to $2,902 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
5.38ct Round
$588 USD