Round|Lab Grown|GIA

5.51ct E IF Round Lab Grown Diamond

EX • E/IF • GIA 3515142642

Certificate GIA 3515142642

Diamond specifications and retailer prices

From $16,503 USD
As of October 29, 2026
Save $34,457 USD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $50,960 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 3515142642. Listed at 16 retailers as of October 29, 2026, with prices from $16,503 to $50,960, a $34,457 spread on the same certified stone. Taylor and Hart lists it at $50,960. 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

5.51
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 3515142642
Dimensions11.37 × 11.35 × 6.96 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
11.37 mm11.35 mm5.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515142642
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
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: $32,611 USD|Low: $13,645 USD|High: $132,988 USD|Avg: $42,766 USD|+5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 29, 2026
Retailer 5$14,565 USD
Retailer 8$16,899 USD
Retailer 9$17,069 USD
Retailer 2$18,176 USD
Retailer 4$28,540 USD
Retailer 1$32,611 USD
Retailer 3$34,053 USD
Retailer 6$49,165 USD
Taylor and Hart$50,960 USD
Retailer 7$73,930 USD
Retailer 10$132,988 USD

26 data points across 11 retailers

16 retailers$16,503 USD to $50,960 USD

Retailer 1
-
$14,565 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$16,503 USD
View
A
Retailer 3
-
$16,899 USD
View
A
Retailer 4
-
$17,069 USD
View
B+
Retailer 5
-
$18,176 USD
View
B+
Retailer 6
-
$19,143 USD
View
Retailer 7
-
$19,143 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$19,804 USD
View
B+
Retailer 9
-
$23,543 USD
View
B+
Retailer 10
-
$28,540 USD
View
B+
Retailer 11
-
$32,611 USD
£25,678 GBP
View
B
Retailer 12
-
$34,053 USD
€32,431 EUR
View
B
Retailer 13
-
$49,165 USD
View
Most Expensive
B
Taylor and Hart
2OHVJ2C · Oct 30
$50,960 USD
View
13 more retailers have this diamond
Prices start from $16,503 USDSave up to $34,457 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
5.51ct Round
$16,503 USD