Round|Lab Grown|GIA

5.51ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 5516875974

Certificate GIA 5516875974

Diamond specifications and retailer prices

From $17,059 USD
As of November 1, 2026
Save $28,832 USD (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $45,891 USD at Aida Diamonds · As of November 1, 2026
View at Aida Diamonds

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5516875974. Listed at 17 retailers as of November 1, 2026, with prices from $17,059 to $45,891, a $28,832 spread on the same certified stone. Aida Diamonds lists it at $45,891. 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
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 5516875974
Dimensions11.26 × 11.21 × 7.02 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
11.26 mm11.21 mm5.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5516875974
Side View
Table 56.0%Crown 35°Girdle: ThickPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $45,891 USD|Low: $14,340 USD|High: $80,130 USD|Avg: $29,335 USD|-2.3%
Aida Diamonds
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 6$14,935 USD
Retailer 14$17,059 USD
Retailer 13$17,497 USD
Retailer 5$17,916 USD
Retailer 8$18,758 USD
Retailer 7$20,032 USD
Retailer 12$20,071 USD
Retailer 16$20,286 USD
Retailer 4$20,996 USD
Retailer 11$21,386 USD
Retailer 3$33,190 USD
Retailer 2$34,390 USD
Retailer 10$38,766 USD
Retailer 9$44,688 USD
Aida Diamonds$45,891 USD
Retailer 15$78,380 USD

31 data points across 16 retailers

17 retailers$17,059 USD to $45,891 USD

Retailer 1
-
$14,935 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
$17,059 USD
View
B+
Retailer 3
-
$17,497 USD
View
B+
Retailer 4
-
$17,916 USD
View
B+
Retailer 5
-
$18,758 USD
View
B+
Retailer 6
-
$19,247 USD
View
B+
Retailer 7
-
$20,032 USD
View
Final sale: no returns
B+
Retailer 8
-
$20,071 USD
View
B+
Retailer 9
-
$20,286 USD
View
B+
Retailer 10
-
$20,996 USD
View
B+
Retailer 11
-
$26,834 USD
View
B+
Retailer 12
-
$33,190 USD
View
B+
Retailer 13
-
$34,390 USD
£27,079 GBP
View
B+
Retailer 14
-
$38,766 USD
€36,920 EUR
View
B
Retailer 15
-
$44,688 USD
A$68,750 AUD
View
Most Expensive
B
Aida Diamonds
497704841 · Nov 1
$45,891 USD
A$70,602 AUD
View
15 more retailers have this diamond
Prices start from $17,059 USDSave up to $28,832 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.

B+
5.51ct Round
$17,059 USD