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Radiant|Lab Grown|IGI

0.89ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG574346455

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

Certificate IGI LG574346455

Diamond specifications and retailer prices

From $154 USD
As of November 2, 2026
Save $1,326 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,480 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.89ct lab-grown radiant diamond

This 0.89ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG574346455 or 574346455. Listed at 16 retailers as of November 2, 2026, with prices from $154 to $1,480, a $1,326 spread on the same certified stone. Do Amore Diamonds lists it at $1,480. 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

0.89
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG574346455
Dimensions6.75 × 4.79 × 3.20 mm
L/W Ratio1.41
Culet sizePointed
Top View
6.75 mm4.79 mm0.89 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG574346455
Side View
Table 69.0%Crown 32.3°Girdle: STK-THKPavilion 35.8°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
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: $377 USD|Low: $148 USD|High: $1,001 USD|Avg: $449 USD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9$154 USD
Retailer 12$173 USD
Retailer 10$192 USD
Retailer 7$230 USD
Retailer 11$351 USD
Retailer 1$377 USD
Retailer 2$407 USD
Retailer 3$439 USD
Retailer 6$550 USD
Retailer 8$650 USD
Retailer 4$752 USD
Retailer 5$988 USD

44 data points across 12 retailers

16 retailers$154 USD to $1,480 USD

A
Cheapest Retailer
-
$154 USD
A
Retailer 2
-
$173 USD
View
Final sale: no returns
A
Retailer 3
-
$179 USD
View
Retailer 4
-
$192 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$192 USD
View
A
Retailer 6
-
$218 USD
View
A
Retailer 7
-
$230 USD
View
B+
Retailer 8
-
$351 USD
View
B+
Retailer 9
-
$377 USD
£297 GBP
View
B+
Retailer 10
-
$407 USD
View
B+
Retailer 11
-
$550 USD
View
B
Retailer 12
-
$650 USD
View
B
Retailer 13
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$680 USD
View
B
Retailer 14
-
$854 USD
View
B
Retailer 15
-
$988 USD
£778 GBP
View
Most Expensive
B
Do Amore Diamonds
27-9711123FE · Nov 2
$1,480 USD
View
15 more retailers have this diamond
Prices start from $154 USDSave up to $1,326 USD

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
0.89ct Radiant
$154 USD