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 $1,283 NZD
$723 USD
As of November 1, 2026
Save $9,186 NZD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,468 NZD 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 $1,283 to $10,468, a $9,186 spread on the same certified stone. Do Amore Diamonds lists it at $10,468. 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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Price History

Last verified: Nov 1
Current: $10,468 NZD|Low: $1,283 NZD|High: $207,229 NZD|Avg: $28,042 NZD
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$1,283 NZD
Retailer 11$1,366 NZD
Retailer 10$1,526 NZD
Retailer 14$1,686 NZD
Retailer 9$1,870 NZD
Retailer 15$2,044 NZD
Retailer 12$2,422 NZD
Retailer 13$4,242 NZD
Retailer 4$4,383 NZD
Retailer 3$5,073 NZD
Retailer 5$5,432 NZD
Retailer 8$5,926 NZD
Do Amore Diamonds$10,468 NZD
Retailer 7$12,225 NZD
Retailer 6$207,229 NZD

4 data points across 15 retailers

13 retailers$1,283 NZD to $10,468 NZD

A
Cheapest Retailer
-
$1,283 NZD
$723 USD
A
Retailer 2
-
$1,366 NZD
$770 USD
View
A
Retailer 3
-
$1,526 NZD
£677 GBP
View
A
Retailer 4
-
$1,686 NZD
$950 USD
View
B+
Retailer 5
-
$1,870 NZD
$1,054 USD
View
A
Retailer 6
-
$2,044 NZD
$1,152 USD
View
A
Retailer 7
-
$2,422 NZD
£1,075 GBP
View
B+
Retailer 8
-
$4,242 NZD
$2,391 USD
View
B
Retailer 9
-
$5,073 NZD
$2,859 USD
View
B
Retailer 10
-
$5,432 NZD
$3,062 USD
View
B
Retailer 11
-
$5,926 NZD
£2,630 GBP
View
B
Retailer 12
-
$7,478 NZD
£3,318 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0E6E72FB4 · Nov 1
$10,468 NZD
$5,900 USD
View
12 more retailers have this diamond
Prices start from $1,283 NZDSave up to $9,186 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
4.97ct Radiant
$1,283 NZD