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Round|Lab Grown|IGI

1.81ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG840634392

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840634392

Diamond specifications and retailer prices

From $836 NZD
$471 USD
As of October 29, 2026
Save $5,179 NZD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,015 NZD at Brilliant Earth · As of October 30, 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 LG840634392 or 840634392. Listed at 21 retailers as of October 29, 2026, with prices from $836 to $6,015, a $5,179 spread on the same certified stone. Brilliant Earth lists it at $6,015. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634392
Dimensions7.82 × 7.87 × 4.81 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
7.82 mm7.87 mm1.81 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634392
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.2%

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 29
Current: $6,015 NZD|Low: $836 NZD|High: $7,097 NZD|Avg: $2,594 NZD|-15.3%
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
October 30, 2026
Retailer 7$836 NZD
Retailer 21$935 NZD
Retailer 8$967 NZD
Retailer 12$1,036 NZD
Retailer 5$1,286 NZD
Retailer 13$1,329 NZD
Retailer 10$1,474 NZD
Retailer 4$1,616 NZD
Retailer 15$1,712 NZD
Retailer 16$1,718 NZD
Retailer 17$1,779 NZD
Retailer 2$2,402 NZD
Retailer 6$2,447 NZD
Retailer 14$3,329 NZD
Retailer 11$3,381 NZD
Retailer 9$3,559 NZD
Retailer 20$3,618 NZD
Retailer 3$3,694 NZD
Retailer 18$3,808 NZD
Retailer 19$5,811 NZD
Brilliant Earth$6,015 NZD

12 data points across 21 retailers

21 retailers$836 NZD to $6,015 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
-
$1,712 NZD
£760 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
-
$3,808 NZD
£1,690 GBP
View
B
Retailer 20
-
$5,811 NZD
$3,275 USD
View
Most Expensive
B
Brilliant Earth
22192244A · Oct 30
$6,015 NZD
$3,390 USD
View
20 more retailers have this diamond
Prices start from $836 NZDSave up to $5,179 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