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Round|Lab Grown|IGI

1.72ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG781618138

Certificate IGI LG781618138

Diamond specifications and retailer prices

From $267 USD
Save $2,718 USD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,985 USD at Queensmith
View at Queensmith

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 LG781618138 or 781618138. Listed at 24 retailers, with prices from $267 to $2,985 at Queensmith, a $2,718 spread on the same certified stone. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781618138
Dimensions7.62 × 7.68 × 4.77 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
7.62 mm7.68 mm1.72 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781618138
Side View
Table 56.0%Crown 34.6°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

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

Price History

Last verified: Sep 28
Current: $2,985 USD|Low: $175 USD|High: $2,985 USD|Avg: $818 USD
Queensmith
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
Retailer 16
Retailer 17
October 1, 2026
Retailer 3$267 USD
Retailer 17$298 USD
Retailer 6$327 USD
Retailer 4$331 USD
Retailer 5$445 USD
Retailer 10$505 USD
Retailer 2$559 USD
Retailer 14$562 USD
Retailer 9$597 USD
Retailer 15$601 USD
Retailer 11$606 USD
Retailer 16$766 USD
Retailer 13$768 USD
Retailer 7$1,080 USD
Retailer 12$1,342 USD
Retailer 8$1,344 USD
Queensmith$2,985 USD

39 data points across 17 retailers

24 retailers$267 USD to $2,985 USD

A
Cheapest Retailer
-
$267 USD
A
Retailer 2
-
$298 USD
View
A
Retailer 3
-
$310 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$327 USD
View
A
Retailer 5
-
$331 USD
View
A
Retailer 6
-
$371 USD
HK$2,900 HKD
View
Price last confirmed 27 days ago
B+
Retailer 7
-
$445 USD
View
A
Retailer 8
-
$505 USD
View
A
Retailer 9
-
$559 USD
€532 EUR
View
A
Retailer 10
-
$562 USD
ZAR 9,079 ZAR
View
B+
Retailer 11
-
$597 USD
View
B+
Retailer 12
-
$601 USD
View
B+
Retailer 13
-
$607 USD
£478 GBP
View
B+
Retailer 14
-
$766 USD
View
B+
Retailer 15
-
$768 USD
A$1,182 AUD
View
B
Retailer 16
-
$1,064 USD
View
B
Retailer 17
-
$1,064 USD
SGD 1,438 SGD
View
B
Retailer 18
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$1,080 USD
View
Price last confirmed 22 days ago
B
Retailer 19
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$1,115 USD
View
B
Retailer 20
-
$1,342 USD
£1,057 GBP
View
B
Retailer 21
-
$1,371 USD
View
B
Retailer 22
-
$1,392 USD
View
B
Retailer 23
-
$1,407 USD
View
Most Expensive
B
Queensmith
LG781618138 · Sep 29
$2,985 USD
£2,350 GBP
View
23 more retailers have this diamond
Prices start from $267 USDSave up to $2,718 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
$267 USD