CaratHunter
Plans
Radiant|Lab Grown|IGI

5.37ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG597398625

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG597398625

Diamond specifications and retailer prices

From $1,394 AUD
$977 USD
As of October 28, 2026
Save $4,656 AUD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,050 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.37ct lab-grown radiant diamond

This 5.37ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG597398625 or 597398625. Listed at 11 retailers as of October 28, 2026, with prices from $1,394 to $6,050, a $4,656 spread on the same certified stone. Brilliant Earth lists it at $6,050. 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

5.37
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597398625
Dimensions12.54 × 8.53 × 5.83 mm
L/W Ratio1.47
Culet sizePointed
Top View
12.54 mm8.53 mm5.37 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597398625
Side View
Table 65.0%Crown 44.3°Girdle: MediumPavilion 36°Culet: NoneDepth 68.3%

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 28
Current: $6,050 AUD|Low: $812 AUD|High: $11,743 AUD|Avg: $2,677 AUD|-48.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8$812 AUD
Retailer 3$898 AUD
Retailer 4$1,092 AUD
Retailer 11$1,394 AUD
Retailer 2$1,487 AUD
Retailer 7$1,527 AUD
Retailer 10$1,541 AUD
Retailer 9$2,038 AUD
Retailer 6$2,317 AUD
Retailer 5$3,755 AUD
Brilliant Earth$6,050 AUD

31 data points across 11 retailers

11 retailers$1,394 AUD to $6,050 AUD

Retailer 1
-
$812 AUD
$569 USD
Price last confirmed 36 days ago
Retailer 2
-
$886 AUD
$621 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$1,092 AUD
$765 USD
View
Price last confirmed 6 days ago
B+
Retailer 4
-
$1,394 AUD
$977 USD
View
A
Retailer 5
-
$1,487 AUD
£820 GBP
View
Retailer 6
-
$1,527 AUD
€1,019 EUR
View
Price last confirmed 10 days ago
A
Retailer 7
-
$1,541 AUD
$1,080 USD
View
B+
Retailer 8
-
$2,038 AUD
$1,428 USD
View
B+
Retailer 9
-
$2,317 AUD
$1,624 USD
View
Retailer 10
-
$3,755 AUD
£2,072 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
8406814A · Oct 30
$6,050 AUD
$4,240 USD
View
10 more retailers have this diamond
Prices start from $1,394 AUDSave up to $4,656 AUD

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
5.37ct Radiant
$1,394 AUD