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Round|Lab Grown|IGI

1.81ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG759507028

Shape and cutting style on the report: Round brilliant

Certificate IGI LG759507028

Diamond specifications and retailer prices

From $493 NZD
$278 USD
As of October 29, 2026
Save $2,842 NZD (85%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,336 NZD at Brilliant Earth · As of October 29, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG759507028 or 759507028. Listed at 27 retailers as of October 29, 2026, with prices from $493 to $3,336, a $2,842 spread on the same certified stone. Brilliant Earth lists it at $3,336. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG759507028
Dimensions7.75 × 7.81 × 4.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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 mm7.81 mm1.81 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG759507028
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.2%

Caratlytics Score

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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: $3,336 NZD|Low: $490 NZD|High: $3,336 NZD|Avg: $1,358 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
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Retailer 23
October 30, 2026
Retailer 14$493 NZD
Retailer 17$552 NZD
Retailer 4$573 NZD
Retailer 7$612 NZD
Retailer 8$612 NZD
Retailer 23$896 NZD
Retailer 2$923 NZD
Retailer 9$1,013 NZD
Retailer 19$1,049 NZD
Retailer 22$1,052 NZD
Retailer 13$1,076 NZD
Retailer 6$1,097 NZD
Retailer 20$1,139 NZD
Retailer 5$1,159 NZD
Retailer 21$1,424 NZD
Retailer 11$1,638 NZD
Retailer 15$1,968 NZD
Retailer 12$2,058 NZD
Retailer 3$2,067 NZD
Retailer 16$2,410 NZD
Retailer 18$2,467 NZD
Retailer 10$2,561 NZD
Brilliant Earth$3,336 NZD

26 data points across 23 retailers

27 retailers$493 NZD to $3,336 NZD

A
Cheapest Retailer
-
$493 NZD
$278 USD
A
Retailer 2
-
$552 NZD
$311 USD
View
Final sale: no returns
A
Retailer 3
-
$573 NZD
$323 USD
View
A
Retailer 4
-
$612 NZD
$345 USD
View
A
Retailer 5
-
$612 NZD
$345 USD
View
A
Retailer 6
-
$896 NZD
$505 USD
View
A
Retailer 7
-
$923 NZD
£410 GBP
View
A
Retailer 8
-
$1,013 NZD
$571 USD
View
A
Retailer 9
-
$1,049 NZD
€563 EUR
View
A
Retailer 10
-
$1,052 NZD
ZAR 9,580 ZAR
View
A
Retailer 11
-
$1,076 NZD
£478 GBP
View
A
Retailer 12
-
$1,097 NZD
$618 USD
View
A
Retailer 13
-
$1,139 NZD
A$988 AUD
View
A
Retailer 14
-
$1,159 NZD
$653 USD
View
B+
Retailer 15
-
$1,424 NZD
A$1,235 AUD
View
B+
Retailer 16
-
$1,638 NZD
$923 USD
View
Retailer 17
-
$1,952 NZD
$1,100 USD
View
Price last confirmed 39 days ago
B
Retailer 18
-
$1,968 NZD
$1,109 USD
View
B
Retailer 19
-
$2,007 NZD
$1,131 USD
View
B
Retailer 20
-
$2,058 NZD
$1,160 USD
View
B+
Retailer 21
-
$2,067 NZD
$1,165 USD
View
B
Retailer 22
-
$2,291 NZD
$1,291 USD
View
B
Retailer 23
-
$2,335 NZD
$1,316 USD
View
Retailer 24
-
$2,410 NZD
A$2,090 AUD
View
Price last confirmed 25 days ago
B
Retailer 25
-
$2,467 NZD
£1,095 GBP
View
B
Retailer 26
-
$2,561 NZD
$1,444 USD
View
Most Expensive
B
Brilliant Earth
18169545A · Oct 29
$3,336 NZD
$1,880 USD
View
26 more retailers have this diamond
Prices start from $493 NZDSave up to $2,842 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
$493 NZD