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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 $5,854 NZD
$3,294 USD
As of November 2, 2026
Save $34,419 NZD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $40,274 NZD 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 $5,854 to $40,274, a $34,419 spread on the same certified stone. Do Amore Diamonds lists it at $40,274. 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: $9,711 NZD|Low: $5,620 NZD|High: $22,796 NZD|Avg: $10,985 NZD|-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$5,854 NZD
Retailer 2$6,556 NZD
Retailer 9$6,791 NZD
Retailer 11$6,791 NZD
Retailer 6$6,798 NZD
Retailer 12$7,692 NZD
Retailer 10$9,366 NZD
Retailer 1$9,711 NZD
Retailer 5$11,602 NZD
Retailer 7$11,855 NZD
Retailer 4$18,592 NZD
Retailer 3$22,796 NZD

42 data points across 12 retailers

14 retailers$5,854 NZD to $40,274 NZD

A
Cheapest Retailer
-
$5,854 NZD
$3,294 USD
A
Retailer 2
-
$6,370 NZD
$3,584 USD
View
A
Retailer 3
-
$6,556 NZD
$3,689 USD
View
Final sale: no returns
A
Retailer 4
-
$6,791 NZD
$3,821 USD
View
Retailer 5
-
$6,791 NZD
$3,821 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$6,798 NZD
$3,825 USD
View
A
Retailer 7
-
$7,692 NZD
$4,328 USD
View
A
Retailer 8
-
$9,366 NZD
$5,270 USD
View
A
Retailer 9
-
$9,711 NZD
£4,302 GBP
View
B+
Retailer 10
-
$11,602 NZD
ZAR 105,459 ZAR
View
Retailer 11
-
$11,855 NZD
$6,670 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$18,592 NZD
$10,461 USD
View
B
Retailer 13
-
$22,796 NZD
$12,826 USD
View
Most Expensive
B
Do Amore Diamonds
27-0293394E9 · Nov 2
$40,274 NZD
$22,660 USD
View
13 more retailers have this diamond
Prices start from $5,854 NZDSave up to $34,419 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
16.66ct Radiant
$5,854 NZD