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Round|Lab Grown|IGI

1.55ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG787638573

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787638573

Diamond specifications and retailer prices

From $257 USD
As of November 1, 2026
Save $2,443 USD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,700 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG787638573 or 787638573. Listed at 25 retailers as of October 31, 2026, with prices from $257 to $2,700, a $2,443 spread on the same certified stone. Brilliant Earth lists it at $2,700. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787638573
Dimensions7.40 × 7.34 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.40 mm7.34 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787638573
Side View
Table 55.0%Crown 34.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.3%

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: Nov 1
Current: $2,700 USD|Low: $247 USD|High: $2,700 USD|Avg: $682 USD
Brilliant Earth
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
November 1, 2026
Retailer 3$257 USD
Retailer 5$319 USD
Retailer 8$358 USD
Retailer 2$444 USD
Retailer 16$480 USD
Retailer 7$533 USD
Retailer 13$548 USD
Retailer 10$572 USD
Retailer 4$584 USD
Retailer 9$608 USD
Retailer 14$744 USD
Retailer 15$806 USD
Retailer 6$1,255 USD
Retailer 12$1,285 USD
Retailer 11$1,330 USD
Brilliant Earth$2,700 USD

35 data points across 16 retailers

25 retailers$257 USD to $2,700 USD

A
Cheapest Retailer
-
$257 USD
A
Retailer 2
-
$287 USD
View
Final sale: no returns
A
Retailer 3
-
$298 USD
View
Retailer 4
-
$319 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$319 USD
View
A
Retailer 6
-
$358 USD
HK$2,800 HKD
View
A
Retailer 7
-
$444 USD
£350 GBP
View
A
Retailer 8
-
$480 USD
View
A
Retailer 9
-
$533 USD
View
A
Retailer 10
-
$548 USD
ZAR 8,857 ZAR
View
A
Retailer 11
-
$572 USD
€545 EUR
View
B+
Retailer 12
-
$584 USD
A$898 AUD
View
B+
Retailer 13
-
$584 USD
View
B+
Retailer 14
-
$608 USD
£479 GBP
View
B+
Retailer 15
-
$642 USD
View
B+
Retailer 16
-
$744 USD
A$1,144 AUD
View
B+
Retailer 17
-
$806 USD
View
B+
Retailer 18
-
$1,026 USD
View
B+
Retailer 19
-
$1,029 USD
SGD 1,391 SGD
View
B
Retailer 20
-
$1,077 USD
View
B
Retailer 21
-
$1,255 USD
View
B+
Retailer 22
-
$1,285 USD
£1,012 GBP
View
B
Retailer 23
-
$1,330 USD
A$2,046 AUD
View
B
Retailer 24
-
$1,377 USD
View
Most Expensive
B
Brilliant Earth
20915266A · Oct 31
$2,700 USD
View
24 more retailers have this diamond
Prices start from $257 USDSave up to $2,443 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
1.55ct Round
$257 USD