Round|Lab Grown|IGI

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 $277 USD
As of October 28, 2026
Save $1,383 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,680 USD at Do Amore Diamonds · As of October 29, 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 October 25, 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
Color
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: Oct 28
Current: $2,680 USD|Low: $237 USD|High: $2,680 USD|Avg: $809 USD|+13.1%
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
October 30, 2026
Retailer 5$277 USD
Retailer 3$302 USD
Retailer 8$375 USD
Retailer 13$375 USD
Retailer 11$406 USD
Retailer 15$530 USD
Retailer 7$533 USD
Retailer 14$537 USD
Retailer 2$739 USD
Retailer 6$882 USD
Retailer 10$1,152 USD
Retailer 12$1,330 USD
Retailer 4$1,491 USD
Retailer 9$1,660 USD
Do Amore Diamonds$2,680 USD

44 data points across 15 retailers

19 retailers$277 USD to $1,660 USD

Retailer 1
-
$247 USD
Price last confirmed 39 days ago
A
Retailer 2
-
$277 USD
View
Final sale: no returns
Retailer 3
-
$302 USD
View
Price last confirmed 39 days ago
A
Retailer 4
-
$302 USD
View
A
Retailer 5
-
$375 USD
View
A
Retailer 6
-
$375 USD
View
A
Retailer 7
-
$406 USD
View
B+
Retailer 8
-
$530 USD
View
Retailer 9
-
$533 USD
£420 GBP
View
Price last confirmed 35 days ago
B+
Retailer 10
-
$537 USD
View
B+
Retailer 11
-
$739 USD
£582 GBP
View
B
Retailer 12
-
$882 USD
View
B
Retailer 13
-
$1,034 USD
CA$1,436 CAD
View
Retailer 14
-
$1,087 USD
View
Price last confirmed 39 days ago
B
Retailer 15
-
$1,152 USD
View
B
Retailer 16
-
$1,330 USD
View
B
Retailer 17
-
$1,491 USD
View
B
Retailer 18
-
$1,660 USD
£1,307 GBP
View
Most Expensive
Do Amore Diamonds
27-71F3A7C17 · Oct 29
$2,680 USD
View
Price under review
18 more retailers have this diamond
Prices start from $277 USDSave up to $1,383 USD

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
$277 USD