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Round|Lab Grown|IGI

1.00ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818663209

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818663209

Diamond specifications and retailer prices

From $445 NZD
$251 USD
As of October 30, 2026
Save $1,810 NZD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,255 NZD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818663209 or 818663209. Listed at 21 retailers as of October 30, 2026, with prices from $445 to $2,255, a $1,810 spread on the same certified stone. Reve Diamonds lists it at $2,255. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663209
Dimensions6.48 × 6.42 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.48 mm6.42 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663209
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.1%

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 30
Current: $1,976 NZD|Low: $335 NZD|High: $2,502 NZD|Avg: $1,176 NZD|-6.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 1, 2026
Retailer 13$445 NZD
Retailer 5$522 NZD
Retailer 4$523 NZD
Retailer 10$696 NZD
Retailer 9$827 NZD
Retailer 12$837 NZD
Retailer 11$847 NZD
Retailer 6$917 NZD
Retailer 2$1,068 NZD
Retailer 7$1,277 NZD
Retailer 3$1,679 NZD
Retailer 1$1,976 NZD
Retailer 8$2,200 NZD
Reve Diamonds$2,255 NZD

33 data points across 14 retailers

21 retailers$445 NZD to $2,255 NZD

Retailer 1
-
$419 NZD
$236 USD
Price last confirmed 22 days ago
Retailer 2
-
$422 NZD
$238 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$445 NZD
$251 USD
View
Final sale: no returns
Retailer 4
-
$486 NZD
$274 USD
View
Price last confirmed 23 days ago
Retailer 5
-
$490 NZD
$276 USD
View
Price last confirmed 44 days ago
Retailer 6
-
$516 NZD
$291 USD
View
Price last confirmed 37 days ago
Retailer 7
-
$520 NZD
$293 USD
View
Price last confirmed 20 days ago
Retailer 8
-
$520 NZD
$293 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
$696 NZD
$392 USD
View
A
Retailer 10
-
$827 NZD
€444 EUR
View
A
Retailer 11
-
$837 NZD
$472 USD
View
A
Retailer 12
-
$847 NZD
ZAR 7,716 ZAR
View
A
Retailer 13
-
$917 NZD
£407 GBP
View
B+
Retailer 14
-
$1,068 NZD
$602 USD
View
B+
Retailer 15
-
$1,277 NZD
$720 USD
View
Retailer 16
-
$1,671 NZD
$942 USD
View
Price last confirmed 32 days ago
B
Retailer 17
-
$1,679 NZD
$946 USD
View
Retailer 18
-
$1,684 NZD
$949 USD
View
Price last confirmed 35 days ago
B
Retailer 19
-
$1,976 NZD
£877 GBP
View
B
Retailer 20
-
$2,200 NZD
$1,240 USD
View
Most Expensive
B
Reve Diamonds
4E95EA396 · Nov 1
$2,255 NZD
$1,271 USD
View
20 more retailers have this diamond
Prices start from $445 NZDSave up to $1,810 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
1.00ct Round
$445 NZD