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Radiant|Lab Grown|IGI

0.99ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG825664754

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

Certificate IGI LG825664754

Diamond specifications and retailer prices

From $325 NZD
$183 USD
As of October 30, 2026
Save $2,266 NZD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,590 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 0.99ct lab-grown radiant diamond

This 0.99ct lab-grown radiant sits in the just-under-one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825664754 or 825664754. Listed at 21 retailers as of October 30, 2026, with prices from $325 to $2,590, a $2,266 spread on the same certified stone. Brilliant Earth lists it at $2,590. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.99
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.7°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825664754
Dimensions7.04 × 4.71 × 3.38 mm
L/W Ratio1.49
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.04 mm4.71 mm0.99 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825664754
Side View
Table 62.0%Crown 25.7°Girdle: ThickPavilion 37.1°Culet: NoneDepth 71.8%

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: Oct 30
Current: $2,590 NZD|Low: $337 NZD|High: $2,963 NZD|Avg: $1,077 NZD|-12.0%
Brilliant Earth
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 30, 2026
Retailer 7$364 NZD
Retailer 2$496 NZD
Retailer 14$712 NZD
Retailer 6$713 NZD
Retailer 9$729 NZD
Retailer 11$730 NZD
Retailer 16$827 NZD
Retailer 12$1,007 NZD
Retailer 15$1,026 NZD
Retailer 4$1,063 NZD
Retailer 8$1,108 NZD
Retailer 3$1,361 NZD
Retailer 5$1,394 NZD
Retailer 13$1,792 NZD
Retailer 10$1,897 NZD
Brilliant Earth$2,590 NZD

32 data points across 16 retailers

21 retailers$325 NZD to $2,590 NZD

A
Cheapest Retailer
-
$325 NZD
$183 USD
A
Retailer 2
-
$364 NZD
$205 USD
View
Final sale: no returns
A
Retailer 3
-
$378 NZD
$213 USD
View
A
Retailer 4
-
$403 NZD
$227 USD
View
A
Retailer 5
-
$403 NZD
$227 USD
View
A
Retailer 6
-
$496 NZD
£220 GBP
View
Retailer 7
-
$712 NZD
€382 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$713 NZD
$402 USD
View
A
Retailer 9
-
$729 NZD
£324 GBP
View
A
Retailer 10
-
$730 NZD
ZAR 6,643 ZAR
View
A
Retailer 11
-
$827 NZD
$466 USD
View
A
Retailer 12
-
$1,007 NZD
A$873 AUD
View
A
Retailer 13
-
$1,026 NZD
$578 USD
View
A
Retailer 14
-
$1,063 NZD
$599 USD
View
A
Retailer 15
-
$1,108 NZD
SGD 844 SGD
View
B+
Retailer 16
-
$1,297 NZD
$731 USD
View
B+
Retailer 17
-
$1,361 NZD
$767 USD
View
B+
Retailer 18
-
$1,394 NZD
$785 USD
View
Retailer 19
-
$1,792 NZD
$1,010 USD
View
Price last confirmed 12 days ago
B
Retailer 20
-
$1,897 NZD
£842 GBP
View
Most Expensive
B
Brilliant Earth
21418729A · Oct 30
$2,590 NZD
$1,460 USD
View
20 more retailers have this diamond
Prices start from $325 NZDSave up to $2,266 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
0.99ct Radiant
$325 NZD