Radiant|Lab Grown|IGI

3.70ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG710501991

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

Certificate IGI LG710501991

Diamond specifications and retailer prices

From $2,897 NZD
$1,633 USD
As of October 31, 2026
Save $11,457 NZD (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $16,678 NZD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.7ct lab-grown radiant diamond

This 3.7ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG710501991 or 710501991. Listed at 7 retailers as of October 29, 2026, with a 395% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.70
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710501991
Dimensions8.79 × 8.55 × 5.73 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.79 mm8.55 mm3.70 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710501991
Side View
Table 68.0%Crown 46.7°Girdle: Slightly ThickPavilionCulet: NoneDepth 67.0%

Caratlytics Score

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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: Oct 31
Current: $16,678 NZD|Low: $2,828 NZD|High: $16,678 NZD|Avg: $8,003 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 19, 2026
Retailer 8$2,897 NZD
Retailer 5$2,960 NZD
Retailer 7$3,737 NZD
Retailer 2$6,893 NZD
Retailer 6$8,199 NZD
Retailer 4$8,468 NZD
Retailer 3$14,354 NZD
Do Amore Diamonds$16,678 NZD

20 data points across 8 retailers

7 retailers$2,897 NZD to $14,354 NZD

A
Cheapest Retailer
-
$2,897 NZD
$1,633 USD
A
Retailer 2
-
$2,960 NZD
$1,668 USD
View
Retailer 3
-
$3,737 NZD
$2,106 USD
View
Price last confirmed 29 days ago
Retailer 4
-
$6,893 NZD
$3,885 USD
View
Price last confirmed 12 days ago
Retailer 5
-
$8,468 NZD
£3,758 GBP
View
Price last confirmed 30 days ago
B
Retailer 6
-
$14,354 NZD
$8,090 USD
View
Most Expensive
Do Amore Diamonds
23-710501991 · Oct 30
$16,678 NZD
$9,400 USD
View
Price under review
6 more retailers have this diamond
Prices start from $2,897 NZDSave up to $11,457 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
3.70ct Radiant
$2,897 NZD