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1.62ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG476168413

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476168413

Diamond specifications and retailer prices

From $491 NZD
$277 USD
As of November 1, 2026
Save $2,451 NZD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,755 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.62ct lab-grown round diamond

This 1.62ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476168413 or 476168413. Listed at 19 retailers as of November 1, 2026, with a 499% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.62
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476168413
Dimensions7.61 × 7.55 × 4.58 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
7.61 mm7.55 mm1.62 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476168413
Side View
Table 58.5%Crown 33.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.3%

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: Nov 1
Current: $4,755 NZD|Low: $421 NZD|High: $4,755 NZD|Avg: $1,437 NZD|+16.5%
Do Amore Diamonds
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
November 1, 2026
Retailer 5$491 NZD
Retailer 3$536 NZD
Retailer 9$665 NZD
Retailer 13$665 NZD
Retailer 11$720 NZD
Retailer 15$940 NZD
Retailer 7$946 NZD
Retailer 14$953 NZD
Retailer 8$1,312 NZD
Retailer 6$1,565 NZD
Retailer 10$2,044 NZD
Retailer 12$2,360 NZD
Retailer 4$2,645 NZD
Retailer 2$2,943 NZD
Do Amore Diamonds$4,755 NZD

44 data points across 15 retailers

19 retailers$491 NZD to $2,943 NZD

Retailer 1
-
$438 NZD
$247 USD
Price last confirmed 41 days ago
A
Retailer 2
-
$491 NZD
$277 USD
View
Final sale: no returns
Retailer 3
-
$536 NZD
$302 USD
View
Price last confirmed 41 days ago
A
Retailer 4
-
$536 NZD
$302 USD
View
A
Retailer 5
-
$665 NZD
$375 USD
View
Retailer 6
-
$665 NZD
$375 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$720 NZD
$406 USD
View
B+
Retailer 8
-
$940 NZD
$530 USD
View
Retailer 9
-
$946 NZD
£420 GBP
View
Price last confirmed 37 days ago
B+
Retailer 10
-
$953 NZD
$537 USD
View
B+
Retailer 11
-
$1,312 NZD
£582 GBP
View
B
Retailer 12
-
$1,565 NZD
$882 USD
View
B
Retailer 13
-
$1,835 NZD
CA$1,436 CAD
View
Retailer 14
-
$1,929 NZD
$1,087 USD
View
Price last confirmed 41 days ago
B
Retailer 15
-
$2,044 NZD
$1,152 USD
View
B
Retailer 16
-
$2,360 NZD
$1,330 USD
View
B
Retailer 17
-
$2,645 NZD
$1,491 USD
View
B
Retailer 18
-
$2,943 NZD
£1,306 GBP
View
Most Expensive
Do Amore Diamonds
27-71F3A7C17 · Oct 31
$4,755 NZD
$2,680 USD
View
Price under review
18 more retailers have this diamond
Prices start from $491 NZDSave up to $2,451 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
1.62ct Round
$491 NZD