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Radiant|Lab Grown|IGI

11.40ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG615348257

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

Certificate IGI LG615348257

Diamond specifications and retailer prices

From $3,261 NZD
$1,835 USD
As of November 2, 2026
Save $18,564 NZD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $21,825 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 11.4ct lab-grown radiant diamond

This 11.4ct 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 LG615348257 or 615348257. Listed at 24 retailers as of November 2, 2026, with prices from $3,261 to $21,825, a $18,564 spread on the same certified stone. Brilliant Earth lists it at $21,825. 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

11.40
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615348257
Dimensions16.27 × 11.00 × 7.25 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.27 mm11.00 mm11.40 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615348257
Side View
Table 67.0%Crown 43.4°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
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 2
Current: $21,825 NZD|Low: $3,054 NZD|High: $25,966 NZD|Avg: $6,625 NZD|-15.9%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 16$3,054 NZD
Retailer 4$3,261 NZD
Retailer 8$3,547 NZD
Retailer 5$3,651 NZD
Retailer 6$3,782 NZD
Retailer 9$3,782 NZD
Retailer 17$4,079 NZD
Retailer 10$4,831 NZD
Retailer 12$5,365 NZD
Retailer 15$5,407 NZD
Retailer 11$5,692 NZD
Retailer 14$5,855 NZD
Retailer 2$5,870 NZD
Retailer 13$7,008 NZD
Retailer 7$7,090 NZD
Retailer 3$10,191 NZD
Retailer 18$10,862 NZD
Brilliant Earth$21,825 NZD

45 data points across 18 retailers

24 retailers$3,261 NZD to $21,825 NZD

Retailer 1
-
$3,054 NZD
£1,353 GBP
Price last confirmed 16 days ago
A
Retailer 2
-
$3,261 NZD
$1,835 USD
View
A
Retailer 3
-
$3,547 NZD
$1,996 USD
View
A
Retailer 4
-
$3,651 NZD
$2,054 USD
View
Final sale: no returns
A
Retailer 5
-
$3,782 NZD
$2,128 USD
View
Retailer 6
-
$3,782 NZD
$2,128 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$4,079 NZD
$2,295 USD
View
A
Retailer 8
-
$4,831 NZD
$2,718 USD
View
A
Retailer 9
-
$5,365 NZD
£2,377 GBP
View
B+
Retailer 10
-
$5,407 NZD
$3,042 USD
View
A
Retailer 11
-
$5,692 NZD
€3,050 EUR
View
A
Retailer 12
-
$5,855 NZD
ZAR 53,223 ZAR
View
A
Retailer 13
-
$5,870 NZD
$3,303 USD
View
B+
Retailer 14
-
$7,008 NZD
A$6,066 AUD
View
B+
Retailer 15
-
$7,090 NZD
$3,989 USD
View
B+
Retailer 16
-
$7,828 NZD
£3,468 GBP
View
B+
Retailer 17
-
$9,361 NZD
$5,267 USD
View
B+
Retailer 18
-
$10,191 NZD
$5,734 USD
View
B+
Retailer 19
-
$10,862 NZD
$6,112 USD
View
Retailer 20
-
$11,668 NZD
$6,565 USD
View
Price last confirmed 85 days ago
B
Retailer 21
-
$13,254 NZD
$7,457 USD
View
B
Retailer 22
-
$13,474 NZD
$7,581 USD
View
B
Retailer 23
-
$18,432 NZD
$10,371 USD
View
Most Expensive
B
Brilliant Earth
9054095A · Nov 2
$21,825 NZD
$12,280 USD
View
23 more retailers have this diamond
Prices start from $3,261 NZDSave up to $18,564 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
11.40ct Radiant
$3,261 NZD