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Radiant|Lab Grown|IGI

4.97ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG648427380

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

Certificate IGI LG648427380

Diamond specifications and retailer prices

From $1,029 AUD
$723 USD
As of November 1, 2026
Save $7,370 AUD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,399 AUD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.97ct lab-grown radiant diamond

This 4.97ct lab-grown radiant 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 LG648427380 or 648427380. Listed at 13 retailers as of November 1, 2026, with prices from $1,029 to $8,399, a $7,370 spread on the same certified stone. Do Amore Diamonds lists it at $8,399. 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

4.97
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.5°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648427380
Dimensions12.06 × 8.48 × 5.59 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.06 mm8.48 mm4.97 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648427380
Side View
Table 65.0%Crown 28.5°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 65.9%

Caratlytics Score

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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: $8,399 AUD|Low: $1,029 AUD|High: $166,269 AUD|Avg: $22,499 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
Retailer 15
November 1, 2026
Retailer 2$1,029 AUD
Retailer 11$1,096 AUD
Retailer 10$1,225 AUD
Retailer 14$1,352 AUD
Retailer 9$1,500 AUD
Retailer 15$1,640 AUD
Retailer 12$1,943 AUD
Retailer 13$3,404 AUD
Retailer 4$3,516 AUD
Retailer 3$4,070 AUD
Retailer 5$4,358 AUD
Retailer 8$4,755 AUD
Do Amore Diamonds$8,399 AUD
Retailer 7$9,809 AUD
Retailer 6$166,269 AUD

4 data points across 15 retailers

13 retailers$1,029 AUD to $8,399 AUD

A
Cheapest Retailer
-
$1,029 AUD
$723 USD
A
Retailer 2
-
$1,096 AUD
$770 USD
View
A
Retailer 3
-
$1,225 AUD
£677 GBP
View
A
Retailer 4
-
$1,352 AUD
$950 USD
View
B+
Retailer 5
-
$1,500 AUD
$1,054 USD
View
A
Retailer 6
-
$1,640 AUD
$1,152 USD
View
A
Retailer 7
-
$1,943 AUD
£1,075 GBP
View
B+
Retailer 8
-
$3,404 AUD
$2,391 USD
View
B
Retailer 9
-
$4,070 AUD
$2,859 USD
View
B
Retailer 10
-
$4,358 AUD
$3,062 USD
View
B
Retailer 11
-
$4,755 AUD
£2,630 GBP
View
B
Retailer 12
-
$6,000 AUD
£3,318 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0E6E72FB4 · Nov 1
$8,399 AUD
$5,900 USD
View
12 more retailers have this diamond
Prices start from $1,029 AUDSave up to $7,370 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
4.97ct Radiant
$1,029 AUD