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Radiant|Lab Grown|IGI

3.10ct I VS1 Radiant Lab Grown Diamond

VG • I/VS1 • IGI LG476178015

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

Certificate IGI LG476178015

Diamond specifications and retailer prices

From $4,561 NZD
$2,566 USD
As of November 2, 2026
Save $11,700 NZD (72%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $22,379 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG476178015 or 476178015. Listed at 17 retailers as of November 1, 2026, with a 257% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.10
Carat
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476178015
Dimensions9.43 × 7.67 × 5.22 mm
L/W Ratio1.23
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
9.43 mm7.67 mm3.10 ctI / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476178015
Side View
Table 63.5%Crown 38.4°Girdle: THN-MEDPavilion 38.1°Culet: NoneDepth 68.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $16,261 NZD|Low: $4,008 NZD|High: $34,480 NZD|Avg: $10,709 NZD
Retailer 1
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
Taylor and Hart
November 1, 2026
Retailer 7$4,561 NZD
Retailer 12$5,010 NZD
Retailer 16$5,451 NZD
Retailer 2$5,611 NZD
Retailer 3$5,812 NZD
Retailer 13$5,812 NZD
Retailer 11$6,096 NZD
Retailer 5$6,414 NZD
Retailer 15$8,017 NZD
Retailer 6$8,266 NZD
Retailer 10$8,350 NZD
Retailer 14$9,039 NZD
Retailer 4$11,078 NZD
Retailer 9$14,893 NZD
Retailer 1$16,261 NZD
Taylor and Hart$22,379 NZD
Retailer 8$34,480 NZD

22 data points across 17 retailers

17 retailers$4,561 NZD to $16,261 NZD

B
Cheapest Retailer
-
$4,561 NZD
$2,566 USD
B
Retailer 2
-
$5,010 NZD
$2,819 USD
View
B
Retailer 3
-
$5,451 NZD
$3,067 USD
View
B
Retailer 4
-
$5,611 NZD
$3,157 USD
View
Final sale: no returns
B
Retailer 5
-
$5,812 NZD
$3,270 USD
View
B
Retailer 6
-
$5,812 NZD
$3,270 USD
View
Retailer 7
-
$5,812 NZD
$3,270 USD
View
Price last confirmed 21 days ago
B
Retailer 8
-
$6,096 NZD
$3,430 USD
View
B
Retailer 9
-
$6,414 NZD
CA$5,012 CAD
View
B
Retailer 10
-
$8,017 NZD
$4,511 USD
View
B
Retailer 11
-
$8,350 NZD
$4,698 USD
View
B
Retailer 12
-
$9,039 NZD
$5,086 USD
View
B
Retailer 13
-
$11,078 NZD
£4,908 GBP
View
B
Retailer 14
-
$14,893 NZD
ZAR 135,374 ZAR
View
B
Retailer 15
-
$16,261 NZD
£7,204 GBP
View
Most Expensive
Taylor and Hart
2VHNUP5 · Oct 31
$22,379 NZD
$12,591 USD
View
Price under review
15 more retailers have this diamond
Prices start from $4,561 NZDSave up to $11,700 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.

B
3.10ct Radiant
$4,561 NZD