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Radiant|Lab Grown|IGI

1.74ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG631403954

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

Certificate IGI LG631403954

Diamond specifications and retailer prices

From $781 NZD
$440 USD
As of November 1, 2026
Save $2,599 NZD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,380 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.74ct lab-grown radiant diamond

This 1.74ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG631403954 or 631403954. Listed at 12 retailers as of November 1, 2026, with prices from $781 to $3,380, a $2,599 spread on the same certified stone. MOH London lists it at $3,380. 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

1.74
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631403954
Dimensions6.84 × 7.01 × 4.01 mm
L/W Ratio1.02
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
6.84 mm7.01 mm1.74 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631403954
Side View
Table 63.0%Crown 35.7°Girdle: Slightly ThickPavilion 31.5°Culet: NoneDepth 58.6%

Caratlytics Score

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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 1
Current: $3,380 NZD|Low: $600 NZD|High: $4,961 NZD|Avg: $2,099 NZD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 11$781 NZD
Retailer 4$864 NZD
Retailer 8$919 NZD
Retailer 9$1,313 NZD
Retailer 6$1,331 NZD
Retailer 2$1,358 NZD
Retailer 10$1,372 NZD
Retailer 7$1,486 NZD
Retailer 13$2,845 NZD
Retailer 3$3,211 NZD
Retailer 12$3,238 NZD
MOH London$3,380 NZD
Retailer 5$3,975 NZD

31 data points across 13 retailers

12 retailers$781 NZD to $3,380 NZD

A
Cheapest Retailer
-
$781 NZD
$440 USD
Final sale: no returns
Retailer 2
-
$864 NZD
$487 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$919 NZD
£408 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
$1,313 NZD
$740 USD
View
A
Retailer 5
-
$1,331 NZD
$750 USD
View
A
Retailer 6
-
$1,358 NZD
€729 EUR
View
A
Retailer 7
-
$1,372 NZD
$773 USD
View
A
Retailer 8
-
$1,486 NZD
ZAR 13,532 ZAR
View
B+
Retailer 9
-
$2,845 NZD
$1,604 USD
View
B
Retailer 10
-
$3,211 NZD
$1,810 USD
View
B
Retailer 11
-
$3,238 NZD
$1,825 USD
View
Most Expensive
B
MOH London
LG631403954 · Nov 1
$3,380 NZD
£1,500 GBP
View
11 more retailers have this diamond
Prices start from $781 NZDSave up to $2,599 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
1.74ct Radiant
$781 NZD