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Round|Lab Grown|IGI

1.72ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG687543632

Certificate IGI LG687543632

Diamond specifications and retailer prices

From $249 USD
Save $1,100 USD (82%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $1,690 USD at Brilliant Earth
View at Brilliant Earth

About this 1.72ct lab-grown round diamond

This 1.72ct 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 LG687543632 or 687543632. Listed at 26 retailers, with a 442% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687543632
Dimensions7.65 × 7.69 × 4.80 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
7.65 mm7.69 mm1.72 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687543632
Side View
Table 55.0%Crown 35.9°Girdle: MediumPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $1,690 USD|Low: $189 USD|High: $1,690 USD|Avg: $708 USD|+5.6%
Brilliant Earth
Retailer 2
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Retailer 24
October 1, 2026
Retailer 8$249 USD
Retailer 2$290 USD
Retailer 14$291 USD
Retailer 11$304 USD
Retailer 5$308 USD
Retailer 19$468 USD
Retailer 16$470 USD
Retailer 20$517 USD
Retailer 4$524 USD
Retailer 13$527 USD
Retailer 21$560 USD
Retailer 6$566 USD
Retailer 23$590 USD
Retailer 17$603 USD
Retailer 3$716 USD
Retailer 22$751 USD
Retailer 15$1,002 USD
Retailer 7$1,043 USD
Retailer 24$1,140 USD
Retailer 18$1,251 USD
Retailer 10$1,316 USD
Retailer 12$1,326 USD
Retailer 9$1,349 USD
Brilliant Earth$1,690 USD

33 data points across 24 retailers

26 retailers$249 USD to $1,349 USD

A
Cheapest Retailer
-
$249 USD
A
Retailer 2
-
$290 USD
View
A
Retailer 3
-
$291 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$304 USD
View
A
Retailer 5
-
$308 USD
View
A
Retailer 6
-
$468 USD
£368 GBP
View
A
Retailer 7
-
$470 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$517 USD
View
A
Retailer 9
-
$524 USD
ZAR 8,460 ZAR
View
A
Retailer 10
-
$527 USD
€502 EUR
View
A
Retailer 11
-
$560 USD
£441 GBP
View
A
Retailer 12
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$566 USD
View
B+
Retailer 13
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$590 USD
View
B+
Retailer 14
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$603 USD
A$928 AUD
View
B+
Retailer 15
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$716 USD
A$1,101 AUD
View
B+
Retailer 16
-
$751 USD
View
B
Retailer 17
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$991 USD
View
B
Retailer 18
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$1,002 USD
View
Price last confirmed 10 days ago
B
Retailer 19
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$1,043 USD
View
B
Retailer 20
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$1,140 USD
View
B
Retailer 21
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$1,251 USD
£985 GBP
View
B
Retailer 22
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$1,255 USD
View
B
Retailer 23
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$1,326 USD
View
B
Retailer 24
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$1,343 USD
View
B
Retailer 25
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$1,349 USD
View
Most Expensive
B
Brilliant Earth
14744902A · Sep 16
$1,690 USD
View
Price last confirmed 15 days ago
25 more retailers have this diamond
Prices start from $249 USDSave up to $1,100 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.

A
1.72ct Round
$249 USD