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Round|Lab Grown|IGI

1.81ct D FL Round Lab Grown Diamond

EX • D/FL • IGI LG840634436

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840634436

Diamond specifications and retailer prices

From $836 NZD
$471 USD
As of October 29, 2026
Save $5,073 NZD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,908 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634436 or 840634436. Listed at 22 retailers as of October 29, 2026, with prices from $836 to $5,908, a $5,073 spread on the same certified stone. Brilliant Earth lists it at $5,908. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634436
Dimensions7.75 × 7.79 × 4.86 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
7.75 mm7.79 mm1.81 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634436
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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 29
Current: $5,908 NZD|Low: $836 NZD|High: $10,752 NZD|Avg: $2,968 NZD|-45.0%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 7$836 NZD
Retailer 22$935 NZD
Retailer 4$967 NZD
Retailer 11$1,036 NZD
Retailer 20$1,286 NZD
Retailer 16$1,329 NZD
Retailer 9$1,474 NZD
Retailer 5$1,616 NZD
Retailer 2$1,698 NZD
Retailer 18$1,718 NZD
Retailer 19$1,779 NZD
Retailer 13$2,402 NZD
Retailer 6$2,447 NZD
Retailer 12$3,329 NZD
Retailer 10$3,381 NZD
Retailer 8$3,559 NZD
Retailer 21$3,618 NZD
Retailer 3$3,694 NZD
Retailer 17$3,824 NZD
Retailer 15$5,722 NZD
Retailer 14$5,811 NZD
Brilliant Earth$5,908 NZD

16 data points across 22 retailers

22 retailers$836 NZD to $5,908 NZD

A
Cheapest Retailer
-
$836 NZD
$471 USD
A
Retailer 2
-
$935 NZD
$527 USD
View
A
Retailer 3
-
$967 NZD
$545 USD
View
Final sale: no returns
A
Retailer 4
-
$1,036 NZD
$584 USD
View
A
Retailer 5
-
$1,286 NZD
$725 USD
View
A
Retailer 6
-
$1,329 NZD
£590 GBP
View
A
Retailer 7
-
$1,474 NZD
$831 USD
View
A
Retailer 8
-
$1,616 NZD
$911 USD
View
A
Retailer 9
-
$1,698 NZD
£754 GBP
View
A
Retailer 10
-
$1,718 NZD
€922 EUR
View
A
Retailer 11
-
$1,779 NZD
ZAR 16,201 ZAR
View
B+
Retailer 12
-
$2,402 NZD
$1,354 USD
View
B+
Retailer 13
-
$2,447 NZD
$1,379 USD
View
B
Retailer 14
-
$3,329 NZD
$1,876 USD
View
B+
Retailer 15
-
$3,381 NZD
$1,906 USD
View
B+
Retailer 16
-
$3,559 NZD
SGD 2,711 SGD
View
B+
Retailer 17
-
$3,618 NZD
$2,039 USD
View
B
Retailer 18
-
$3,694 NZD
$2,082 USD
View
B+
Retailer 19
-
$3,824 NZD
£1,697 GBP
View
B
Retailer 20
-
$5,722 NZD
$3,225 USD
View
B
Retailer 21
-
$5,811 NZD
$3,275 USD
View
Most Expensive
B
Brilliant Earth
22142868A · Oct 31
$5,908 NZD
$3,330 USD
View
21 more retailers have this diamond
Prices start from $836 NZDSave up to $5,073 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
1.81ct Round
$836 NZD