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Round|Lab Grown|GIA

4.55ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 1519919030

Certificate GIA 1519919030

Diamond specifications and retailer prices

From $7,069 USD
Save $23,587 USD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $30,656 USD at Taylor and Hart
View at Taylor and Hart

About this 4.55ct lab-grown round diamond

This 4.55ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1519919030. Listed at 15 retailers, with prices from $7,069 to $30,656 at Taylor and Hart, a $23,587 spread on the same certified stone. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.55
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 1519919030
Dimensions10.57 × 10.55 × 6.59 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Top View
10.57 mm10.55 mm4.55 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1519919030
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: Oct 1
Current: $14,868 USD|Low: $7,069 USD|High: $81,746 USD|Avg: $26,683 USD|-39.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
October 1, 2026
Retailer 11$7,069 USD
Retailer 13$8,565 USD
Retailer 9$9,345 USD
Retailer 10$9,445 USD
Retailer 1$14,868 USD
Retailer 8$17,879 USD
Retailer 4$20,000 USD
Retailer 5$20,000 USD
Retailer 7$20,943 USD
Retailer 6$22,019 USD
Retailer 3$27,890 USD
Taylor and Hart$30,656 USD
Retailer 12$46,380 USD
Retailer 2$48,945 USD

22 data points across 14 retailers

15 retailers$7,069 USD to $30,656 USD

A
Cheapest Retailer
-
$7,069 USD
B+
Retailer 2
-
$8,565 USD
View
B+
Retailer 3
-
$9,345 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$9,445 USD
View
B+
Retailer 5
-
$14,868 USD
€14,160 EUR
View
B+
Retailer 6
-
$17,879 USD
£14,078 GBP
View
B
Retailer 7
-
$18,681 USD
View
B
Retailer 8
-
$20,000 USD
View
B
Retailer 9
-
$20,000 USD
View
B
Retailer 10
-
$20,943 USD
A$32,220 AUD
View
B
Retailer 11
-
$22,019 USD
View
B
Retailer 12
-
$27,890 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Taylor and Hart
VD1M88V · Sep 30
$30,656 USD
View
12 more retailers have this diamond
Prices start from $7,069 USDSave up to $23,587 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
4.55ct Round
$7,069 USD