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Radiant|Lab Grown|IGI

1.80ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG752545505

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

Certificate IGI LG752545505

Diamond specifications and retailer prices

From $307 NZD
$173 USD
As of November 2, 2026
Save $2,643 NZD (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,950 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown radiant diamond

This 1.8ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG752545505 or 752545505. Listed at 8 retailers as of November 2, 2026, with prices from $307 to $2,950, a $2,643 spread on the same certified stone. Do Amore Diamonds lists it at $2,950. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.80
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752545505
Dimensions8.65 × 6.08 × 3.96 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.65 mm6.08 mm1.80 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752545505
Side View
Table 65.0%Crown 40.1°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 65.1%

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 2
Current: $2,950 NZD|Low: $295 NZD|High: $2,950 NZD|Avg: $1,304 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5$307 NZD
Retailer 8$357 NZD
Retailer 7$679 NZD
Retailer 9$999 NZD
Retailer 3$1,094 NZD
Retailer 4$1,296 NZD
Retailer 6$1,354 NZD
Retailer 10$1,493 NZD
Retailer 11$1,661 NZD
Retailer 2$1,968 NZD
Do Amore Diamonds$2,950 NZD

12 data points across 11 retailers

8 retailers$307 NZD to $2,950 NZD

A
Cheapest Retailer
-
$307 NZD
$173 USD
A
Retailer 2
-
$357 NZD
$201 USD
View
B+
Retailer 3
-
$679 NZD
$382 USD
View
A
Retailer 4
-
$999 NZD
$562 USD
View
B+
Retailer 5
-
$1,296 NZD
$729 USD
View
B+
Retailer 6
-
$1,354 NZD
$762 USD
View
B+
Retailer 7
-
$1,968 NZD
£872 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B0F210A1C · Nov 2
$2,950 NZD
$1,660 USD
View
7 more retailers have this diamond
Prices start from $307 NZDSave up to $2,643 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
1.80ct Radiant
$307 NZD