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Radiant|Lab Grown|IGI

16.66ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG722509534

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

Certificate IGI LG722509534

Diamond specifications and retailer prices

From $4,700 AUD
$3,294 USD
As of November 2, 2026
Save $27,633 AUD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $32,334 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 16.66ct lab-grown radiant diamond

This 16.66ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG722509534 or 722509534. Listed at 14 retailers as of November 2, 2026, with prices from $4,700 to $32,334, a $27,633 spread on the same certified stone. Do Amore Diamonds lists it at $32,334. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

16.66
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722509534
Dimensions18.45 × 12.73 × 7.74 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.45 mm12.73 mm16.66 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722509534
Side View
Table 68.0%Crown 45.4°Girdle: Slightly ThickPavilion 31.7°Culet: NoneDepth 60.8%

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 2
Current: $7,797 AUD|Low: $4,512 AUD|High: $18,301 AUD|Avg: $8,819 AUD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8$4,700 AUD
Retailer 2$5,264 AUD
Retailer 9$5,452 AUD
Retailer 11$5,452 AUD
Retailer 6$5,458 AUD
Retailer 12$6,176 AUD
Retailer 10$7,520 AUD
Retailer 1$7,797 AUD
Retailer 5$9,315 AUD
Retailer 7$9,517 AUD
Retailer 4$14,927 AUD
Retailer 3$18,301 AUD

42 data points across 12 retailers

14 retailers$4,700 AUD to $32,334 AUD

A
Cheapest Retailer
-
$4,700 AUD
$3,294 USD
A
Retailer 2
-
$5,114 AUD
$3,584 USD
View
A
Retailer 3
-
$5,264 AUD
$3,689 USD
View
Final sale: no returns
A
Retailer 4
-
$5,452 AUD
$3,821 USD
View
Retailer 5
-
$5,452 AUD
$3,821 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$5,458 AUD
$3,825 USD
View
A
Retailer 7
-
$6,176 AUD
$4,328 USD
View
A
Retailer 8
-
$7,520 AUD
$5,270 USD
View
A
Retailer 9
-
$7,797 AUD
£4,302 GBP
View
B+
Retailer 10
-
$9,315 AUD
ZAR 105,459 ZAR
View
Retailer 11
-
$9,517 AUD
$6,670 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$14,927 AUD
$10,461 USD
View
B
Retailer 13
-
$18,301 AUD
$12,826 USD
View
Most Expensive
B
Do Amore Diamonds
27-0293394E9 · Nov 2
$32,334 AUD
$22,660 USD
View
13 more retailers have this diamond
Prices start from $4,700 AUDSave up to $27,633 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
16.66ct Radiant
$4,700 AUD