Round|Lab Grown|IGI

0.45ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG817671589

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817671589

Diamond specifications and retailer prices

From $79 USD
As of October 29, 2026
Save $649 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $728 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.45ct lab-grown round diamond

This 0.45ct lab-grown round sits in the sub-half-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817671589 or 817671589. Listed at 17 retailers as of October 29, 2026, with prices from $79 to $728, a $649 spread on the same certified stone. MOH London lists it at $728. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.45
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817671589
Dimensions4.89 × 4.91 × 3.03 mm
L/W Ratio1.00
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
4.89 mm4.91 mm0.45 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817671589
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.8%

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: Oct 29
Current: $728 USD|Low: $38 USD|High: $745 USD|Avg: $245 USD|-2.4%
MOH London
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
October 29, 2026
Retailer 7$38 USD
Retailer 11$79 USD
Retailer 13$89 USD
Retailer 5$105 USD
Retailer 12$170 USD
Retailer 8$171 USD
Retailer 10$178 USD
Retailer 2$190 USD
Retailer 3$217 USD
Retailer 9$219 USD
Retailer 15$276 USD
Retailer 6$340 USD
Retailer 14$377 USD
Retailer 4$518 USD
MOH London$728 USD

33 data points across 15 retailers

17 retailers$79 USD to $728 USD

A
Cheapest Retailer
-
$79 USD
A
Retailer 2
-
$89 USD
View
Final sale: no returns
A
Retailer 3
-
$92 USD
View
A
Retailer 4
-
$105 USD
View
A
Retailer 5
-
$105 USD
View
A
Retailer 6
-
$170 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$171 USD
£135 GBP
View
A
Retailer 8
-
$178 USD
ZAR 2,873 ZAR
View
A
Retailer 9
-
$190 USD
€181 EUR
View
A
Retailer 10
-
$217 USD
View
A
Retailer 11
-
$219 USD
£172 GBP
View
B+
Retailer 12
-
$276 USD
SGD 373 SGD
View
B+
Retailer 13
-
$317 USD
View
B+
Retailer 14
-
$340 USD
View
Price last confirmed 30 days ago
B
Retailer 15
-
$377 USD
View
B
Retailer 16
-
$518 USD
£408 GBP
View
Most Expensive
B
MOH London
LG817671589 · Oct 29
$728 USD
£573 GBP
View
16 more retailers have this diamond
Prices start from $79 USDSave up to $649 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
0.45ct Round
$79 USD