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Radiant|Lab Grown|IGI

6.17ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG626465921

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

Certificate IGI LG626465921

Diamond specifications and retailer prices

From $1,489 NZD
$838 USD
As of November 2, 2026
Save $8,019 NZD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,509 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6.17ct lab-grown radiant diamond

This 6.17ct 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 LG626465921 or 626465921. Listed at 24 retailers as of November 2, 2026, with prices from $1,489 to $9,509, a $8,019 spread on the same certified stone. Brilliant Earth lists it at $9,509. 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

6.17
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626465921
Dimensions12.78 × 9.12 × 6.22 mm
L/W Ratio1.40
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
12.78 mm9.12 mm6.17 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626465921
Side View
Table 62.0%Crown 41.5°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 68.2%

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: $9,509 NZD|Low: $1,431 NZD|High: $9,509 NZD|Avg: $3,397 NZD
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 3, 2026
Retailer 6$1,489 NZD
Retailer 9$1,621 NZD
Retailer 4$1,667 NZD
Retailer 7$1,728 NZD
Retailer 10$1,728 NZD
Retailer 13$1,850 NZD
Retailer 18$2,044 NZD
Retailer 17$2,474 NZD
Retailer 12$2,620 NZD
Retailer 2$2,655 NZD
Retailer 16$3,202 NZD
Retailer 11$3,347 NZD
Retailer 15$3,533 NZD
Retailer 8$4,859 NZD
Retailer 3$5,408 NZD
Retailer 5$5,474 NZD
Retailer 14$6,478 NZD
Brilliant Earth$9,509 NZD

40 data points across 18 retailers

24 retailers$1,489 NZD to $9,509 NZD

A
Cheapest Retailer
-
$1,489 NZD
$838 USD
A
Retailer 2
-
$1,621 NZD
$912 USD
View
A
Retailer 3
-
$1,667 NZD
$938 USD
View
Final sale: no returns
A
Retailer 4
-
$1,728 NZD
$972 USD
View
Retailer 5
-
$1,728 NZD
$972 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,850 NZD
£820 GBP
View
A
Retailer 7
-
$2,044 NZD
$1,150 USD
View
B+
Retailer 8
-
$2,474 NZD
$1,392 USD
View
A
Retailer 9
-
$2,604 NZD
$1,465 USD
View
A
Retailer 10
-
$2,620 NZD
€1,404 EUR
View
A
Retailer 11
-
$2,655 NZD
£1,176 GBP
View
A
Retailer 12
-
$3,202 NZD
A$2,772 AUD
View
A
Retailer 13
-
$3,347 NZD
ZAR 30,421 ZAR
View
A
Retailer 14
-
$3,533 NZD
$1,988 USD
View
B+
Retailer 15
-
$4,154 NZD
$2,337 USD
View
Retailer 16
-
$4,198 NZD
$2,362 USD
View
Price last confirmed 7 days ago
B+
Retailer 17
-
$4,767 NZD
£2,112 GBP
View
B+
Retailer 18
-
$4,859 NZD
$2,734 USD
View
B+
Retailer 19
-
$5,408 NZD
$3,043 USD
View
B+
Retailer 20
-
$5,474 NZD
$3,080 USD
View
B
Retailer 21
-
$5,988 NZD
$3,369 USD
View
B+
Retailer 22
-
$6,478 NZD
£2,870 GBP
View
B
Retailer 23
-
$7,198 NZD
$4,050 USD
View
Most Expensive
B
Brilliant Earth
9579376A · Nov 2
$9,509 NZD
$5,350 USD
View
23 more retailers have this diamond
Prices start from $1,489 NZDSave up to $8,019 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
6.17ct Radiant
$1,489 NZD