Round|Lab Grown|IGI

1.65ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG476160774

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476160774

Diamond specifications and retailer prices

From $355 USD
As of November 1, 2026
Save $2,795 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,150 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.65ct lab-grown round diamond

This 1.65ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476160774 or 476160774. Listed at 18 retailers as of October 31, 2026, with prices from $355 to $3,150, a $2,795 spread on the same certified stone. Do Amore Diamonds lists it at $3,150. 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

1.65
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476160774
Dimensions7.53 × 7.56 × 4.70 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.53 mm7.56 mm1.65 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG476160774
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $3,150 USD|Low: $355 USD|High: $3,150 USD|Avg: $948 USD
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 12
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Retailer 18
November 1, 2026
Retailer 18$355 USD
Retailer 15$412 USD
Retailer 13$432 USD
Retailer 5$440 USD
Retailer 14$440 USD
Retailer 3$547 USD
Retailer 6$590 USD
Retailer 7$740 USD
Retailer 9$762 USD
Retailer 16$775 USD
Retailer 11$785 USD
Retailer 10$852 USD
Retailer 12$910 USD
Retailer 17$1,292 USD
Retailer 8$1,333 USD
Retailer 4$1,563 USD
Retailer 2$1,900 USD
Do Amore Diamonds$3,150 USD

11 data points across 18 retailers

18 retailers$355 USD to $3,150 USD

A
Cheapest Retailer
-
$355 USD
A
Retailer 2
-
$412 USD
View
B+
Retailer 3
-
$432 USD
View
Retailer 4
-
$440 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$440 USD
View
A
Retailer 6
-
$547 USD
View
A
Retailer 7
-
$590 USD
View
Retailer 8
-
$740 USD
View
Price last confirmed 11 days ago
A
Retailer 9
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$762 USD
View
A
Retailer 10
-
$775 USD
View
A
Retailer 11
-
$785 USD
£618 GBP
View
A
Retailer 12
-
$852 USD
View
A
Retailer 13
-
$910 USD
View
A
Retailer 14
-
$1,292 USD
View
A
Retailer 15
-
$1,333 USD
View
B+
Retailer 16
-
$1,563 USD
View
B
Retailer 17
-
$1,900 USD
£1,496 GBP
View
Most Expensive
B
Do Amore Diamonds
27-6E4FE3C85 · Oct 31
$3,150 USD
View
17 more retailers have this diamond
Prices start from $355 USDSave up to $2,795 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
1.65ct Round
$355 USD