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Radiant|Lab Grown|IGI

1.75ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG611397806

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

Certificate IGI LG611397806

Diamond specifications and retailer prices

From $331 NZD
$186 USD
As of October 27, 2026
Save $2,833 NZD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,164 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.75ct lab-grown radiant diamond

This 1.75ct 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 very-good cut grade and certified by IGI LG611397806 or 611397806. Listed at 11 retailers as of October 27, 2026, with prices from $331 to $3,164, a $2,833 spread on the same certified stone. Do Amore Diamonds lists it at $3,164. 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

1.75
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611397806
Dimensions8.41 × 5.88 × 4.02 mm
L/W Ratio1.43
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
8.41 mm5.88 mm1.75 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611397806
Side View
Table 66.0%Crown 43.9°Girdle: MED-STKPavilion 36°Culet: NoneDepth 68.4%

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: Oct 27
Current: $3,164 NZD|Low: $265 NZD|High: $3,288 NZD|Avg: $1,420 NZD|-3.8%
Do Amore Diamonds
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
October 29, 2026
Retailer 12$331 NZD
Retailer 10$382 NZD
Retailer 16$384 NZD
Retailer 2$582 NZD
Retailer 14$722 NZD
Retailer 5$772 NZD
Retailer 6$974 NZD
Retailer 8$1,228 NZD
Retailer 11$1,390 NZD
Retailer 4$1,447 NZD
Retailer 13$1,452 NZD
Retailer 9$2,115 NZD
Retailer 7$2,132 NZD
Retailer 15$2,257 NZD
Retailer 3$2,577 NZD
Do Amore Diamonds$3,164 NZD

26 data points across 16 retailers

11 retailers$331 NZD to $3,164 NZD

A
Cheapest Retailer
-
$331 NZD
$186 USD
A
Retailer 2
-
$382 NZD
$215 USD
View
A
Retailer 3
-
$384 NZD
$216 USD
View
Final sale: no returns
A
Retailer 4
-
$582 NZD
£258 GBP
View
B+
Retailer 5
-
$722 NZD
$406 USD
View
Retailer 6
-
$1,390 NZD
$782 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$1,452 NZD
$817 USD
View
Retailer 8
-
$2,115 NZD
£937 GBP
View
Price last confirmed 7 days ago
Retailer 9
-
$2,257 NZD
$1,270 USD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$2,577 NZD
$1,450 USD
View
Most Expensive
B
Do Amore Diamonds
27-64C3D4476 · Oct 29
$3,164 NZD
$1,780 USD
View
10 more retailers have this diamond
Prices start from $331 NZDSave up to $2,833 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
1.75ct Radiant
$331 NZD