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Round|Lab Grown|IGI

1.73ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG689570443

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689570443

Diamond specifications and retailer prices

From $588 USD
As of October 30, 2026
Save $857 USD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,445 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG689570443 or 689570443. Listed at 6 retailers as of October 29, 2026, with prices from $588 to $1,445, a $857 spread on the same certified stone. MOH London lists it at $1,445. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
H
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689570443
Dimensions7.72 × 7.68 × 4.74 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 Faint Blue
Top View
7.72 mm7.68 mm1.73 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689570443
Side View
Table 59.0%Crown 34.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
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 30
Current: $1,445 USD|Low: $520 USD|High: $2,310 USD|Avg: $1,079 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10$520 USD
Retailer 3$554 USD
Retailer 4$588 USD
Retailer 5$628 USD
Retailer 6$728 USD
Retailer 7$1,202 USD
Retailer 9$1,385 USD
Retailer 2$1,400 USD
MOH London$1,445 USD
Retailer 8$2,310 USD

15 data points across 10 retailers

6 retailers$588 USD to $1,445 USD

A
Cheapest Retailer
-
$588 USD
A
Retailer 2
-
$628 USD
View
B+
Retailer 3
-
$728 USD
View
B
Retailer 4
-
$1,202 USD
View
Retailer 5
-
$1,400 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
LG689570443 · Oct 29
$1,445 USD
£1,138 GBP
View
5 more retailers have this diamond
Prices start from $588 USDSave up to $857 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
1.73ct Round
$588 USD