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Radiant|Lab Grown|IGI

1.70ct F SI1 Radiant Lab Grown Diamond

GD • F/SI1 • IGI LG561254694

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

Certificate IGI LG561254694

Diamond specifications and retailer prices

From $322 NZD
$181 USD
As of October 27, 2026
Save $2,771 NZD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,093 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.7ct lab-grown radiant diamond

This 1.7ct 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 standard cut grade and certified by IGI LG561254694 or 561254694. Listed at 10 retailers as of October 27, 2026, with prices from $322 to $3,093, a $2,771 spread on the same certified stone. Do Amore Diamonds lists it at $3,093. 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

1.70
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG561254694
Dimensions8.33 × 5.86 × 3.98 mm
L/W Ratio1.42
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
8.33 mm5.86 mm1.70 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG561254694
Side View
Table 63.0%Crown 42.5°Girdle: MediumPavilion 36.2°Culet: NoneDepth 67.9%

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: $3,093 NZD|Low: $322 NZD|High: $3,892 NZD|Avg: $1,450 NZD|-3.9%
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
October 29, 2026
Retailer 11$322 NZD
Retailer 8$373 NZD
Retailer 14$375 NZD
Retailer 10$706 NZD
Retailer 3$750 NZD
Retailer 4$960 NZD
Retailer 7$1,196 NZD
Retailer 9$1,356 NZD
Retailer 15$1,370 NZD
Retailer 12$1,417 NZD
Retailer 2$2,072 NZD
Retailer 6$2,132 NZD
Retailer 13$2,204 NZD
Retailer 5$2,506 NZD
Do Amore Diamonds$3,093 NZD

17 data points across 15 retailers

10 retailers$322 NZD to $3,093 NZD

A
Cheapest Retailer
-
$322 NZD
$181 USD
A
Retailer 2
-
$373 NZD
$210 USD
View
B+
Retailer 3
-
$375 NZD
$211 USD
View
Final sale: no returns
B+
Retailer 4
-
$706 NZD
$397 USD
View
Retailer 5
-
$1,356 NZD
$763 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
$1,417 NZD
$797 USD
View
B
Retailer 7
-
$2,072 NZD
£918 GBP
View
B
Retailer 8
-
$2,204 NZD
$1,240 USD
View
B
Retailer 9
-
$2,506 NZD
$1,410 USD
View
Most Expensive
B
Do Amore Diamonds
27-05C91399C · Oct 29
$3,093 NZD
$1,740 USD
View
9 more retailers have this diamond
Prices start from $322 NZDSave up to $2,771 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
1.70ct Radiant
$322 NZD