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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 $1,043 NZD
$588 USD
As of November 1, 2026
Save $5,149 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,192 NZD 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 31, 2026, with prices from $1,043 to $6,192, a $5,149 spread on the same certified stone. Brilliant Earth lists it at $6,192. 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
Colour
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: Nov 1
Current: $6,192 NZD|Low: $1,043 NZD|High: $12,278 NZD|Avg: $2,965 NZD|-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 2, 2026
Retailer 4$1,043 NZD
Retailer 10$1,169 NZD
Retailer 14$1,295 NZD
Retailer 15$1,295 NZD
Retailer 13$1,593 NZD
Retailer 5$1,991 NZD
Retailer 9$1,996 NZD
Retailer 8$2,001 NZD
Retailer 2$2,042 NZD
Retailer 6$2,078 NZD
Retailer 11$3,211 NZD
Retailer 7$3,298 NZD
Retailer 3$3,405 NZD
Retailer 12$5,649 NZD
Brilliant Earth$6,192 NZD

39 data points across 15 retailers

15 retailers$1,043 NZD to $6,192 NZD

A
Cheapest Retailer
-
$1,043 NZD
$588 USD
A
Retailer 2
-
$1,169 NZD
$659 USD
View
A
Retailer 3
-
$1,295 NZD
$730 USD
View
Retailer 4
-
$1,295 NZD
$730 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$1,593 NZD
£707 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$1,991 NZD
$1,122 USD
View
B+
Retailer 7
-
$1,996 NZD
$1,125 USD
View
B+
Retailer 8
-
$2,001 NZD
£888 GBP
View
B+
Retailer 9
-
$2,042 NZD
€1,096 EUR
View
B+
Retailer 10
-
$2,078 NZD
$1,171 USD
View
B
Retailer 11
-
$3,211 NZD
$1,810 USD
View
B
Retailer 12
-
$3,298 NZD
$1,859 USD
View
B
Retailer 13
-
$3,405 NZD
$1,919 USD
View
Retailer 14
-
$5,649 NZD
£2,507 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
8716969A · Oct 31
$6,192 NZD
$3,490 USD
View
14 more retailers have this diamond
Prices start from $1,043 NZDSave up to $5,149 NZD

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
$1,043 NZD