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Round|Lab Grown|IGI

1.81ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG788637627

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788637627

Diamond specifications and retailer prices

From $520 NZD
$293 USD
As of October 29, 2026
Save $2,816 NZD (84%) vs most expensive(unlock to see where)
24 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 LG788637627 or 788637627. Listed at 24 retailers as of October 29, 2026, with prices from $520 to $3,336, a $2,816 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 angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788637627
Dimensions7.85 × 7.88 × 4.76 mm
L/W Ratio1.00
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
7.85 mm7.88 mm1.81 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788637627
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.6%

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: $520 NZD|High: $3,620 NZD|Avg: $1,578 NZD|-7.8%
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
October 30, 2026
Retailer 4$520 NZD
Retailer 6$644 NZD
Retailer 13$923 NZD
Retailer 8$972 NZD
Retailer 10$1,054 NZD
Retailer 7$1,056 NZD
Retailer 12$1,108 NZD
Retailer 9$1,136 NZD
Retailer 11$1,499 NZD
Retailer 15$1,980 NZD
Retailer 5$2,111 NZD
Retailer 3$2,260 NZD
Retailer 2$2,410 NZD
Retailer 14$2,587 NZD
Brilliant Earth$3,336 NZD

32 data points across 15 retailers

24 retailers$520 NZD to $3,336 NZD

A
Cheapest Retailer
-
$520 NZD
$293 USD
A
Retailer 2
-
$582 NZD
$328 USD
View
Final sale: no returns
A
Retailer 3
-
$603 NZD
$340 USD
View
A
Retailer 4
-
$644 NZD
$363 USD
View
A
Retailer 5
-
$644 NZD
$363 USD
View
A
Retailer 6
-
$923 NZD
$520 USD
View
A
Retailer 7
-
$972 NZD
£431 GBP
View
A
Retailer 8
-
$1,054 NZD
€566 EUR
View
A
Retailer 9
-
$1,056 NZD
$595 USD
View
A
Retailer 10
-
$1,108 NZD
ZAR 10,087 ZAR
View
A
Retailer 11
-
$1,136 NZD
£504 GBP
View
A
Retailer 12
-
$1,169 NZD
$659 USD
View
B+
Retailer 13
-
$1,260 NZD
$710 USD
View
B+
Retailer 14
-
$1,499 NZD
A$1,300 AUD
View
B
Retailer 15
-
$1,980 NZD
$1,116 USD
View
B
Retailer 16
-
$2,072 NZD
$1,168 USD
View
Retailer 17
-
$2,111 NZD
$1,190 USD
View
Price last confirmed 27 days ago
B
Retailer 18
-
$2,158 NZD
$1,217 USD
View
B
Retailer 19
-
$2,202 NZD
$1,241 USD
View
B
Retailer 20
-
$2,260 NZD
$1,274 USD
View
B
Retailer 21
-
$2,410 NZD
A$2,090 AUD
View
B
Retailer 22
-
$2,587 NZD
£1,148 GBP
View
B
Retailer 23
-
$2,810 NZD
$1,584 USD
View
Most Expensive
B
Brilliant Earth
18496623A · Oct 29
$3,336 NZD
$1,880 USD
View
23 more retailers have this diamond
Prices start from $520 NZDSave up to $2,816 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
$520 NZD