CaratHunter
Plans
Round|Lab Grown|IGI

3.72ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG530297120

Shape and cutting style on the report: Round brilliant

Certificate IGI LG530297120

Diamond specifications and retailer prices

From $638 AUD
$447 USD
As of November 1, 2026
Save $5,027 AUD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,665 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.72ct lab-grown round diamond

This 3.72ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530297120 or 530297120. Listed at 15 retailers as of November 1, 2026, with prices from $638 to $5,665, a $5,027 spread on the same certified stone. Do Amore Diamonds lists it at $5,665. 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

3.72
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530297120
Dimensions10.08 × 10.05 × 6.05 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
10.08 mm10.05 mm3.72 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530297120
Side View
Table 58.5%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.1%

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: $5,665 AUD|Low: $515 AUD|High: $5,665 AUD|Avg: $2,132 AUD
Do Amore Diamonds
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
November 2, 2026
Retailer 11$638 AUD
Retailer 14$713 AUD
Retailer 4$791 AUD
Retailer 12$791 AUD
Retailer 7$992 AUD
Retailer 13$1,239 AUD
Retailer 3$1,363 AUD
Retailer 2$1,446 AUD
Retailer 10$2,125 AUD
Retailer 9$2,768 AUD
Retailer 6$2,918 AUD
Retailer 5$3,639 AUD
Retailer 8$3,646 AUD
Do Amore Diamonds$5,665 AUD

39 data points across 14 retailers

15 retailers$638 AUD to $5,665 AUD

A
Cheapest Retailer
-
$638 AUD
$447 USD
A
Retailer 2
-
$713 AUD
$500 USD
View
Final sale: no returns
A
Retailer 3
-
$713 AUD
$500 USD
View
Retailer 4
-
$791 AUD
$554 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$791 AUD
$554 USD
View
A
Retailer 6
-
$992 AUD
$695 USD
View
B+
Retailer 7
-
$1,239 AUD
$868 USD
View
A
Retailer 8
-
$1,363 AUD
$955 USD
View
A
Retailer 9
-
$1,446 AUD
£798 GBP
View
B+
Retailer 10
-
$2,125 AUD
$1,489 USD
View
B+
Retailer 11
-
$2,294 AUD
$1,608 USD
View
Retailer 12
-
$2,768 AUD
$1,940 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$2,918 AUD
$2,045 USD
View
Retailer 14
-
$3,646 AUD
£2,012 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-5945B7B5D · Nov 2
$5,665 AUD
$3,970 USD
View
14 more retailers have this diamond
Prices start from $638 AUDSave up to $5,027 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
3.72ct Round
$638 AUD