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Round|Lab Grown|IGI

1.80ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG776625445

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776625445

Diamond specifications and retailer prices

From $685 NZD
$385 USD
As of October 30, 2026
Save $5,137 NZD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,822 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG776625445 or 776625445. Listed at 21 retailers as of October 29, 2026, with prices from $685 to $5,822, a $5,137 spread on the same certified stone. Brilliant Earth lists it at $5,822. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776625445
Dimensions7.85 × 7.89 × 4.75 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
7.85 mm7.89 mm1.80 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776625445
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.3%

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: $5,822 NZD|Low: $685 NZD|High: $5,822 NZD|Avg: $2,212 NZD
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
Retailer 17
October 30, 2026
Retailer 5$685 NZD
Retailer 16$1,068 NZD
Retailer 3$1,086 NZD
Retailer 10$1,145 NZD
Retailer 12$1,228 NZD
Retailer 15$1,306 NZD
Retailer 11$1,361 NZD
Retailer 6$1,727 NZD
Retailer 14$1,764 NZD
Retailer 4$2,146 NZD
Retailer 8$2,259 NZD
Retailer 7$2,518 NZD
Retailer 2$2,870 NZD
Retailer 17$2,944 NZD
Retailer 13$2,985 NZD
Retailer 9$4,611 NZD
Brilliant Earth$5,822 NZD

26 data points across 17 retailers

21 retailers$685 NZD to $5,822 NZD

Retailer 1
-
$621 NZD
$349 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$685 NZD
$385 USD
View
Final sale: no returns
Retailer 3
-
$771 NZD
$433 USD
View
Price last confirmed 28 days ago
Retailer 4
-
$771 NZD
$433 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$1,068 NZD
$600 USD
View
A
Retailer 6
-
$1,086 NZD
$610 USD
View
A
Retailer 7
-
$1,145 NZD
£506 GBP
View
A
Retailer 8
-
$1,228 NZD
€657 EUR
View
A
Retailer 9
-
$1,306 NZD
ZAR 11,846 ZAR
View
A
Retailer 10
-
$1,361 NZD
£602 GBP
View
A
Retailer 11
-
$1,727 NZD
$970 USD
View
A
Retailer 12
-
$1,764 NZD
A$1,524 AUD
View
A
Retailer 13
-
$2,146 NZD
$1,205 USD
View
B+
Retailer 14
-
$2,259 NZD
$1,269 USD
View
Retailer 15
-
$2,477 NZD
$1,391 USD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
$2,518 NZD
$1,414 USD
View
B+
Retailer 17
-
$2,870 NZD
$1,612 USD
View
B+
Retailer 18
-
$2,944 NZD
$1,654 USD
View
B+
Retailer 19
-
$2,985 NZD
£1,320 GBP
View
B
Retailer 20
-
$4,611 NZD
$2,590 USD
View
Most Expensive
B
Brilliant Earth
21580625A · Oct 29
$5,822 NZD
$3,270 USD
View
20 more retailers have this diamond
Prices start from $685 NZDSave up to $5,137 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
1.80ct Round
$685 NZD