CaratHunter
Plans
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 $274 NZD
$154 USD
As of November 2, 2026
Save $2,357 NZD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,630 NZD 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 $274 to $2,630, a $2,357 spread on the same certified stone. Do Amore Diamonds lists it at $2,630. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $670 NZD|Low: $263 NZD|High: $1,779 NZD|Avg: $799 NZD|+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$274 NZD
Retailer 12$307 NZD
Retailer 10$341 NZD
Retailer 7$409 NZD
Retailer 11$624 NZD
Retailer 1$670 NZD
Retailer 2$723 NZD
Retailer 3$780 NZD
Retailer 6$978 NZD
Retailer 8$1,155 NZD
Retailer 4$1,336 NZD
Retailer 5$1,756 NZD

43 data points across 12 retailers

16 retailers$274 NZD to $2,630 NZD

A
Cheapest Retailer
-
$274 NZD
$154 USD
A
Retailer 2
-
$307 NZD
$173 USD
View
Final sale: no returns
A
Retailer 3
-
$318 NZD
$179 USD
View
Retailer 4
-
$341 NZD
$192 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$341 NZD
$192 USD
View
A
Retailer 6
-
$387 NZD
$218 USD
View
A
Retailer 7
-
$409 NZD
$230 USD
View
B+
Retailer 8
-
$624 NZD
$351 USD
View
B+
Retailer 9
-
$670 NZD
£297 GBP
View
B+
Retailer 10
-
$723 NZD
$407 USD
View
B+
Retailer 11
-
$978 NZD
$550 USD
View
B
Retailer 12
-
$1,155 NZD
$650 USD
View
B
Retailer 13
-
$1,209 NZD
$680 USD
View
B
Retailer 14
-
$1,517 NZD
$854 USD
View
B
Retailer 15
-
$1,756 NZD
£778 GBP
View
Most Expensive
B
Do Amore Diamonds
27-9711123FE · Nov 2
$2,630 NZD
$1,480 USD
View
15 more retailers have this diamond
Prices start from $274 NZDSave up to $2,357 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
0.89ct Radiant
$274 NZD